Perhaps you should try some spelling variations:
nghien hieu » nghiep hieu, nghe hieu, thien hieu
nhanh dong » hanh dong, nhanh chong, anh dong
dong thuoc » dung thuoc, dang thuoc, don thuoc
goc nhanh » hoc nhanh, doc nhanh, goc nhan
hieu mot » thieu mot, hieu moi, hieu so
phan van » pham van, thanh van, luan van
anh hoc » sinh hoc, benh hoc, hinh hoc
hoc dai » hoc dan
va phan » van phan, va phat, va phap
tu anh » tu hanh, tu manh, thu anh
ma hoi » mai hoi, ma hoa, me hoi

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 dai, nghien hieu mot goc nhanh dong thuoc ((ma hoi) or (xa hoi)) va phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu anh hoc dai, nghien hieu mot goc nhanh dong thuoc ((ma hoi) OR (xa hoi)) va phan van.
• Adding a wildcard symbol may retrieve word variants: tu anh hoc dai, nghien hieu mot goc nhanh dong thuoc ((ma hoi) or (xa hoi)) va phan van*.