Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
cong hoc » dong hoc, cong hoa, cong coc
hoc danh » hoc dan, hoc anh, hoc hanh
danh hoa » thanh hoa, khanh hoa, nganh hoa
cau nhan » chau nhan, ca nhan, cam nhan
te sinh » ve sinh, he sinh, ke sinh
cu nhan » ca nhan
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sinh hoc tap, nghien thu cong hoc danh hoa hoc xa hoi ((cau nhan) OR (cu nhan)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sinh hoc tap, nghien thu cong hoc danh hoa hoc xa hoi ((cau nhan) OR (cu nhan)) van".
• Adding a wildcard symbol may retrieve word variants: te sinh hoc tap, nghien thu cong hoc danh hoa hoc xa hoi ((cau nhan) OR (cu nhan)) van*.