Perhaps you should try some spelling variations:
nghien hieu » nghiep hieu, nghe hieu, thien hieu
nganh dong » nganh cong, nhanh dong, nganh nong
dong thuoc » dung thuoc, dang thuoc, don thuoc
goc nganh » hoc nganh, hoc nhanh, cac nganh
hieu mot » thieu mot, hieu moi, hieu so
thuoc ma » hoc ma, duoc ma
va thanh » gia thanh, ban thanh, va tinh
anh hoc » benh hoc, hinh hoc, anh khoa
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) or (sinh hoc)) dai, nghien hieu mot goc nganh dong thuoc ma hoi va thanh san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((anh hoc) OR (sinh hoc)) dai, nghien hieu mot goc nganh dong thuoc ma hoi va thanh san.
• Adding a wildcard symbol may retrieve word variants: tu ((anh hoc) or (sinh hoc)) dai, nghien hieu mot goc nganh dong thuoc ma hoi va thanh san*.