Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
doanh hoan » doanh doanh, doanh khoa, doanh nhan
hoan nhanh » hoan thanh, hon nhanh, hoang thanh
chong cong » cong cong, thong cong, cuong cong
hoc hieu » hoc thieu, hoc hien, hoc dieu
doc hieu » toc thieu, hoc thieu, hoc hien
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc hieu) OR (doc hieu)) manh - doanh hoan nhanh chong cong tan phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hieu) OR (doc hieu)) manh - doanh hoan nhanh chong cong tan phan tu".
• Adding a wildcard symbol may retrieve word variants: ((hoc hieu) OR (doc hieu)) manh - doanh hoan nhanh chong cong tan phan tu*.