Perhaps you should try some spelling variations:
"nhung thi luan van. biet the nien giam xuc" » "nhung thi luan van. biet the dien giao xuc", "nhung thoi luan van. biet the nien giam xuc", "nhung tri luan van. biet the nien giam xuc", "nhung chi luan van. biet the nien giam xuc", "nhung thi xuan van. biet the nien giam xuc", "nhung thi loan van. biet the nien giam xuc", "nhung thi thuan van. biet the nien giam xuc", "nhung thi luan van. biet the nien gian xu", "nhung thi luan van. biet the nien gia muc", "nhung thi luan van. biet the nien gia duc"
"phung thi lan van. biet the hien cam xuc" » "phung thi lan van. biet the hien cac xuc", "phung thi lan van. biet the hien cau xuc", "phung thi lan van. biet the hien giam xuc", "phung thi hanh van. biet the hien cam xuc", "phung thi nang van. biet the hien cam xuc", "phung thi lien van. biet the hien cam xuc", "phung thi lang van. biet the hien cam xuc", "phung thi tan van. biet the hien cam xuc", "phung thi san van. biet the hien cam xuc", "phuong thi lan van. biet the hien cam xuc", "chung thi lan van. biet the hien cam xuc", "phong thi lan van. biet the hien cam xuc"

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

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