Perhaps you should try some spelling variations:
nghien hieu » nghiep hieu, nghe hieu, thien hieu
nganh khong » nganh cong, nhanh chong, nganh nong
goc nganh » hoc nganh, hoc nhanh, cac nganh
khong hoc » khung hoc, thong hoc, khong thuoc
thanh van » thanh san, thanh toan, thanh phan
hieu mot » thieu mot, hieu moi, hieu so
anh hoc » sinh hoc, benh hoc, hinh hoc
hoc tai » hoc dai, hoc tap, hoc bai
tu anh » tu hanh, tu manh, thu anh
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu anh hoc tai, nghien hieu mot goc nganh khong hoc ma hoi va ((pham van) or (thanh van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu anh hoc tai, nghien hieu mot goc nganh khong hoc ma hoi va ((pham van) OR (thanh van)).
• Adding a wildcard symbol may retrieve word variants: tu anh hoc tai, nghien hieu mot goc nganh khong hoc ma hoi va ((pham van) or (thanh van))*.