Perhaps you should try some spelling variations:
nghien huu » nghien cuu, nguyen huu, nhiem huu
nganh cong » nhanh chong, thanh cong
hoc nganh » hoc nhanh
thanh van » thanh san, thanh toan, thanh phan
sach hoc » cach hoc, sach hoi, mach hoc
huu dong » huy dong, luu dong, huu dung
dong hoc » dong co, dong luc
cong hoc » cong hoa, cong coc, cong ho
hoi chau » hoi chu, hoi cham, hai chau
phan van » pham van, luan van, tran van
tu sach » thu sach, su sach, te sach
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: tu sach hoc tap, nghien huu dong hoc nganh cong hoc xa hoi chau ((phan van) OR (thanh van))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoc tap, nghien huu dong hoc nganh cong hoc xa hoi chau ((phan van) OR (thanh van))".
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien huu dong hoc nganh cong hoc xa hoi chau ((phan van) OR (thanh van))*.