Perhaps you should try some spelling variations:
"nhung thoi quan van. biet the hien cau luc" » "nhung thi quan van. biet the hien cau luc", "nhung loi quan van. biet the hien cau luc", "nhung tri quan van. biet the hien cau luc", "nhung thoi quen van. biet the hien cau luc", "nhung thong quan van. biet the hien cau luc", "nhung thoi quan va. biet the hien cau luc", "nhung thoi quan luan. biet the hien cau luc", "nhung thoi quan doan. biet the hien cau luc", "nhung thoi quan van. biet the khien cau luc", "nhung thoi quan van. biet the thien cau luc", "nhung thoi quan van. biet the hien cac luc", "nhung thoi quan van. biet the hien cau truc", "nhung thoi quan van. biet the hien cau phuc"
"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 giam xuc", "phung thi luan van. biet the hien tham 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: (("nhung thoi quan van. biet the hien cau luc") OR ("phung thi luan van. biet the hien cam xuc"))~.
• Removing quotes may allow a broader search: (( nhung thoi quan van. biet the hien cau luc ) or ( phung thi luan van. biet the hien cam xuc ))~.
• Adding a wildcard symbol may retrieve word variants: (("nhung thoi quan van. biet the hien cau luc") or ("phung thi luan van. biet the hien cam xuc"))*.