diff --git a/dbs/mongo/mongo.go b/dbs/mongo/mongo.go
index e0eb533..d8ca398 100644
--- a/dbs/mongo/mongo.go
+++ b/dbs/mongo/mongo.go
@@ -3,6 +3,7 @@ package mongo
 import (
 	"context"
 	"errors"
+	"fmt"
 	"strings"
 	"time"
 
@@ -252,8 +253,11 @@ func (m *MongoDB) Search(search string, filter []string, collection_name string)
 		MngoCtx, bson.M{"$or": list},
 		opts,
 	); err != nil {
+		fmt.Println(0, bson.M{"$or": list})
 		return nil, 404, err
 	} else {
+		fmt.Println(cursor, bson.M{"$or": list})
+
 		return cursor, 200, nil
 	}
 }
@@ -289,3 +293,24 @@ func (m *MongoDB) LoadAll(collection_name string) (*mongo.Cursor, int, error) {
 	}
 	return res, 200, nil
 }
+
+func (m *MongoDB) toOperator(operator string) string {
+	if operator == "like" {
+		return "$regex"
+	} else if operator == "exists" {
+		return "$exists"
+	} else if operator == "in" {
+		return "$in"
+	} else if operator == "gte" {
+		return "$gte"
+	} else if operator == "gt" {
+		return "$gt"
+	} else if operator == "lte" {
+		return "$lte"
+	} else if operator == "lt" {
+		return "$lt"
+	} else if operator == "eq" {
+		return "$match"
+	}
+	return operator
+}