Perhaps you should try some spelling variations:
"phuong thi luan van. biet the hien cam xuc" » "phung thi luan van. biet the hien cam xuc", "huong thi luan van. biet the hien cam xuc", "phong thi luan van. biet the hien cam xuc", "phuong thi lan van. biet the hien cam xuc", "phuong thi xuan van. biet the hien cam xuc", "phuong thi loan van. biet the hien cam xuc", "phuong thi luan van. biet the hien cac xuc", "phuong thi luan van. biet the hien cau xuc", "phuong thi luan van. biet the hien giam xuc"
"nhung thai luan van. biet the hien cam xuc" » "hung thai luan van. biet the hien cam xuc", "nhung khai luan van. biet the hien cam xuc", "nhung thay luan van. biet the hien cam xuc", "nhung thai luat van. biet the hien cam xuc", "nhung phap luan van. biet the hien cam xuc", "nhung khau luan van. biet the hien cam xuc", "nhung thai luan van. biet the hien cac xuc", "nhung thai luan van. biet the hien cau xuc", "nhung thai luan van. biet the hien giam xuc"

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

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