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

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