Perhaps you should try some spelling variations:
"chung tong luan van. biet the hien tham xuc" » "chung thong luan van. biet the hien tham xuc", "chung ton luan van. biet the hien tham xuc", "chuong dong luan van. biet the hien tham xuc", "chung tang luan van. biet the hien tham xuc", "chung dung luan van. biet the hien tham xuc", "chung hang luan van. biet the hien tham xuc", "chung tong luan van. biet the hien thuan xuc", "chung tong luan van. biet the phien them xuc", "chung tong luan van. biet the hien phap xuc", "chung tong luan van. biet the hien tham nuoc", "chung tong luan van. biet the hien tham thuc", "chung tong luan van. biet the hien pham duc"
"phung thi quan ha. biet the hien cau luc" » "phung thi xuan ha. biet the hien cau luc", "phung tri quan ha. biet the hien cau luc", "phung thi luan ha. biet the hien cau luc", "phung thi quan ha. biet the khien cau luc", "phung thi quan ha. biet the thien cau luc", "phung thi quan ha. biet the hien cac luc", "phung thi quan he. biet the hien cau luc", "phung thi quan ha. biet the hien cau truc", "phung thi quan ha. biet the hien cau phuc"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("chung tong luan van. biet the hien tham xuc") or ("phung thi quan ha. biet the hien cau luc"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("chung tong luan van. biet the hien tham xuc") OR ("phung thi quan ha. biet the hien cau luc"))*.
• Removing quotes may allow a broader search: (( chung tong luan van. biet the hien tham xuc ) or ( phung thi quan ha. biet the hien cau luc ))*.