diff --git a/action_create.go b/action_create.go
index 27a17fc..616eae2 100644
--- a/action_create.go
+++ b/action_create.go
@@ -48,6 +48,7 @@ func (payload CreateOptions) newUser() (result User, err error) {
 	return User{
 		ID:             mongodb.NewObjectID(),
 		Name:           payload.Name,
+		SearchString:   getSearchString(payload.Name, payload.Phone, payload.Email),
 		Phone:          payload.Phone,
 		Email:          payload.Email,
 		HashedPassword: hashPassword(payload.Password),
diff --git a/action_update.go b/action_update.go
index 064f091..6612e13 100644
--- a/action_update.go
+++ b/action_update.go
@@ -44,12 +44,13 @@ func (s Service) UpdateByUserID(userID string, payload UpdateOptions) error {
 	roleID, _ := mongodb.NewIDFromString(payload.RoleID)
 	updateData := bson.M{
 		"$set": bson.M{
-			"name":      payload.Name,
-			"phone":     payload.Phone,
-			"email":     payload.Email,
-			"roleId":    roleID,
-			"other":     payload.Other,
-			"updatedAt": now(),
+			"name":         payload.Name,
+			"searchString": getSearchString(payload.Name, payload.Phone, payload.Email),
+			"phone":        payload.Phone,
+			"email":        payload.Email,
+			"roleId":       roleID,
+			"other":        payload.Other,
+			"updatedAt":    now(),
 		},
 	}
 
diff --git a/helper.go b/helper.go
index ec1dbca..fbee0db 100644
--- a/helper.go
+++ b/helper.go
@@ -1,6 +1,9 @@
 package usermngmt
 
 import (
+	"fmt"
+
+	"github.com/Selly-Modules/mongodb"
 	"golang.org/x/crypto/bcrypt"
 )
 
@@ -13,3 +16,20 @@ func checkPasswordHash(password, hash string) bool {
 	err := bcrypt.CompareHashAndPassword([]byte(hash), []byte(password))
 	return err == nil
 }
+
+func getSearchString(fieldList ...string) string {
+	var (
+		searchList = make([]interface{}, 0)
+		format     = ""
+	)
+
+	for i, value := range fieldList {
+		searchList = append(searchList, mongodb.NonAccentVietnamese(value))
+		if i == 0 {
+			format += "%s"
+			continue
+		}
+		format += " %s"
+	}
+	return fmt.Sprintf(format, searchList...)
+}
diff --git a/model.go b/model.go
index 5479aa4..a44ee3d 100644
--- a/model.go
+++ b/model.go
@@ -10,6 +10,7 @@ import (
 type User struct {
 	ID             primitive.ObjectID `bson:"_id" json:"_id"`
 	Name           string             `bson:"name" json:"name"`
+	SearchString   string             `bson:"searchString" json:"-"`
 	Phone          string             `bson:"phone" json:"phone"` // unique
 	Email          string             `bson:"email" json:"email"` // unique
 	HashedPassword string             `bson:"hashedPassword" json:"-"`