Perhaps you should try some spelling variations:
thanh trung » thanh tung
luan trong » quan trong, luat trong, luan tuong
hanh tang » hanh trang, anh tang, hanh mang
theo chu » theo chieu, cho chu, chao chu
chu sang » chu bang, thu sang, chieu sang
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
hang dau » hang va, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu sang - ((hanh tang) or (thanh trung)) luan trong ((cong dan) or (cong tan)) hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sang - ((hanh tang) OR (thanh trung)) luan trong ((cong dan) OR (cong tan)) hang dau.
• Adding a wildcard symbol may retrieve word variants: theo chu sang - ((hanh tang) or (thanh trung)) luan trong ((cong dan) or (cong tan)) hang dau*.