Perhaps you should try some spelling variations:
quan trong » gian trong
luan trong » luat trong, luan tuong, luong trong
theo chu » theo chieu, cho chu, chao chu
chu sang » chu bang, thu sang, chieu sang
anh tang » anh bang, anh dang, anh nang
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh
hang tai » hang va, dung tai

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: theo chu sang - anh tang ((luan trong) OR (quan trong)) ((cong ban) OR (cong tan)) hang tai~.
• Adding a wildcard symbol may retrieve word variants: theo chu sang - anh tang ((luan trong) or (quan trong)) ((cong ban) or (cong tan)) hang tai*.