Perhaps you should try some spelling variations:
"nhung thoi luan van. biet the nien giam xuc" » "nhung thi luan van. biet the nien giam xuc", "phung thi luan van. biet the nien giam xuc", "nhung loi luan van. biet the nien giam xuc", "nhung hoi luan van. biet the nien giam xuc", "nhung thai luan van. biet the nien giam xuc", "nhung thoi luan van. biet the dien giao xuc", "nhung thoi luan van. biet the nien gian xu", "nhung thoi luan van. biet the nien gia muc", "nhung thoi luan van. biet the nien gia duc"
"nhung thoi quen va. biet the hien cam xuc" » "nhung thi quen va. biet the hien cam xuc", "phung thi quen va. biet the hien cam xuc", "nhung loi quen va. biet the hien cam xuc", "nhung thoi quen va. biet the hien cac xuc", "nhung thoi quen va. biet the hien cau xuc", "nhung thoi quen va. biet the hien giam xuc", "nhung thoi quan va. biet the hien cam xuc", "nhung thoi que va. biet the hien cam xuc", "nhung thoi quyen van. biet the hien cam xuc"

Try widening your search to All Fields.

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

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