Perhaps you should try some spelling variations:
nghien hieu » nghiep hieu, nghe hieu, thien hieu
dong thuoc » dung thuoc, don thuoc, dong thuc
dang thuoc » dung thuoc
goc nganh » hoc nganh, hoc nhanh, cac nganh
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, 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 dai, nghien hieu mot goc nganh ((dong thuoc) OR (dang thuoc)) ma hoi va phan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu anh hoc dai, nghien hieu mot goc nganh ((dong thuoc) OR (dang thuoc)) ma hoi va phan van".
• Adding a wildcard symbol may retrieve word variants: tu anh hoc dai, nghien hieu mot goc nganh ((dong thuoc) OR (dang thuoc)) ma hoi va phan van*.