Perhaps you should try some spelling variations:
"nhung thoi luan van. biet the hien cam xuc" » "nhung thi luan van. biet the hien cam xuc", "nhung loi luan van. biet the hien cam xuc", "nhung tri luan van. biet the hien cam xuc", "nhung hoi luan van. biet the hien cam xuc", "nhung thai luan van. biet the hien cam xuc", "nhung thoi luan van. biet the hien cac xuc", "nhung thoi luan van. biet the hien cau xuc", "nhung thoi luan van. biet the hien giam xuc"
"phung thi xuan van. biet the hien cam xuc" » "phung thi xuan van. biet the hien cac xuc", "phung thi xuan van. biet the hien cau xuc", "phung thi xuan van. biet the hien giam xuc", "phung thi xa van. biet the hien cam xuc", "phung thi lan van. biet the hien cam xuc", "phung thi quan van. biet the hien cam xuc", "phung thi xuan can. biet the hien cam xuc", "phung thi xuan tan. 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 hien cam xuc") or ("phung thi xuan van. biet the hien cam xuc"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("nhung thoi luan van. biet the hien cam xuc") OR ("phung thi xuan van. biet the hien cam xuc")).
• Removing quotes may allow a broader search: (( nhung thoi luan van. biet the hien cam xuc ) or ( phung thi xuan van. biet the hien cam xuc )).
• Adding a wildcard symbol may retrieve word variants: (("nhung thoi luan van. biet the hien cam xuc") or ("phung thi xuan van. biet the hien cam xuc"))*.