Perhaps you should try some spelling variations:
nghien huu » nghien cuu, nguyen huu, nhiem huu
nganh cong » nhanh chong, thanh cong
cach hoc » cach thuc, cach thoi, dich hoc
cau phan » chau phan, cuu phan, cac phan
phan van » pham van, thanh van, luan van
tu cach » tu cac
huu mot » cuu mot, huy mot, hieu mot
mot hoc » mon hoc, mo hoc, mot goc
hoi cau » hoi chu, hoc cau, hoa cau
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 cach hoc tap, nghien huu mot hoc ((nganh nong) or (nganh cong)) hoc xa hoi cau phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien huu mot hoc ((nganh nong) OR (nganh cong)) hoc xa hoi cau phan van.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien huu mot hoc ((nganh nong) or (nganh cong)) hoc xa hoi cau phan van*.