Perhaps you should try some spelling variations:
nhanh chung » nhanh chuong, nhanh chong, nhanh hung
hanh huong » thanh huong, anh huong, manh huong
nghien cac » nghiep cach, nghien cuu, nghiep cay
thanh toan » thanh hoa, thanh san, tinh toan
huong tac » tuong tac, huong tam, muong tac
chung hoc » trung hoc, dung hoc, hung hoa
ban thanh » ban hanh, ban hang
cong hoc » cong hoa, cong coc, cong ho
dong hoc » dong co, dong luc
tu hanh » du hanh, lu hanh, thuc hanh
hoi ban » hoi dan, hoi bai, doi ban
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu hanh huong tac, nghien cac ((cong hoc) OR (dong hoc)) nhanh chung hoc xa hoi ban thanh toan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu hanh huong tac, nghien cac ((cong hoc) OR (dong hoc)) nhanh chung hoc xa hoi ban thanh toan".
• Adding a wildcard symbol may retrieve word variants: tu hanh huong tac, nghien cac ((cong hoc) OR (dong hoc)) nhanh chung hoc xa hoi ban thanh toan*.