Perhaps you should try some spelling variations:
"nhung thi luan van. biet the hien cam xuc" » "nhung thoi luan van. biet the hien cam xuc", "nhung tri luan van. biet the hien cam xuc", "nhung chi luan van. biet the hien cam xuc", "nhung thi lan van. biet the hien cam xuc", "nhung thi xuan van. biet the hien cam xuc", "nhung thi loan van. biet the hien cam xuc", "nhung thi luan van. biet the hien cac xuc", "nhung thi luan van. biet the hien cau xuc", "nhung thi luan van. biet the hien giam xuc"
"phung thi luan van. biet the hien cam xuc" » "phung thi lan van. biet the hien cam xuc", "phung thi xuan van. biet the hien cam xuc", "phung thi loan van. biet the hien cam xuc", "phung thi luan van. biet the hien cac xuc", "phung thi luan van. biet the hien cau xuc", "phung thi luan van. biet the hien giam xuc", "phuong thi luan van. biet the hien cam xuc", "chung thi luan van. biet the hien cam xuc", "phong thi luan van. biet the hien cam xuc"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("phung thi luan van. biet the hien cam xuc") OR ("nhung thi luan van. biet the hien cam xuc"))~.
• Removing quotes may allow a broader search: (( phung thi luan van. biet the hien cam xuc ) or ( nhung thi luan van. biet the hien cam xuc ))~.
• Adding a wildcard symbol may retrieve word variants: (("phung thi luan van. biet the hien cam xuc") or ("nhung thi luan van. biet the hien cam xuc"))*.