Perhaps you should try some spelling variations:
"nhung gi quan van. biet the hien cam xuc" » "nhung bi quan van. biet the hien cam xuc", "nhung bai quan van. biet the hien cam xuc", "nhung gi luan van. biet the hien cam xuc", "nhung gi quan va. biet the hien cam xuc", "nhung gi quan luan. biet the hien cam xuc", "nhung gi quan van. biet the hien cac xuc", "nhung gi quan van. biet the hien giam xuc", "nhung gi quan van. biet the hien tham xuc", "nhung vi quan van. biet the hien cam xuc", "nhung gai quang van. biet the hien cam xuc", "nhung giac quan van. biet the hien cam xuc"
"phung thi quan van. biet the hien cau truc" » "phung thi luan van. biet the hien cau truc", "phung thi quan va. biet the hien cau truc", "phung thi quan luan. biet the hien cau truc", "phung thi xuan van. biet the hien cau truc", "phung tri quan van. biet the hien cau truc", "phung thi quan van. biet the khien cau truc", "phung thi quan van. biet the thien cau truc", "phung thi quan van. biet the hien cac truc", "phung thi quan van. biet the hien cau thuc"

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 gi quan van. biet the hien cam xuc") or ("phung thi quan van. biet the hien cau truc"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("nhung gi quan van. biet the hien cam xuc") OR ("phung thi quan van. biet the hien cau truc")).
• Removing quotes may allow a broader search: (( nhung gi quan van. biet the hien cam xuc ) or ( phung thi quan van. biet the hien cau truc )).
• Adding a wildcard symbol may retrieve word variants: (("nhung gi quan van. biet the hien cam xuc") or ("phung thi quan van. biet the hien cau truc"))*.