Perhaps you should try some spelling variations:
nganh doan » nganh toan, nganh hoa, nganh dau
nghien cac » nghiep cach, nghien cuu, nghiep cay
nganh dao » nganh dau, nganh duoc, nganh giao
van thanh » ban thanh, van tuan
phuong xa » phuong la, phong xa, huong xa
thanh van » thanh san, thanh toan, thanh phan
manh hung » anh huong
dong hoc » dong co, dong luc
cac dong » cac duong, cac cong, cac dang
hung tap » nhung tap, hang tap, hung tan
hoi van » hoi va, hoi dan, hai van
tu manh » tu minh, tu hanh, vu manh

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu manh hung tap, nghien cac dong hoc ((nganh doan) OR (nganh dao)) phuong xa hoi van thanh van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu manh hung tap, nghien cac dong hoc ((nganh doan) OR (nganh dao)) phuong xa hoi van thanh van".
• Adding a wildcard symbol may retrieve word variants: tu manh hung tap, nghien cac dong hoc ((nganh doan) OR (nganh dao)) phuong xa hoi van thanh van*.