Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
chieu tinh » trieu tinh, lieu tinh, chau tinh
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong tan » cong tac, cong san, cong thanh
toan cao » toan tap
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu tinh)) - canh tranh luan nhung cong tan ((toan cao) OR (toan ban))~.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu tinh)) - canh tranh luan nhung cong tan ((toan cao) or (toan ban))*.