Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
quan trong » gian trong
hanh tang » hanh trang, anh tang, hanh mang
tang quan » tang luan, nang quan, tong quan
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 ty
hang cau » hang dau, hang ca, nhung cau

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 - hanh tang quan trong ((cong dan) OR (((cong thanh) OR (cong tan)))) hang cau~.
• Adding a wildcard symbol may retrieve word variants: theo chu sang - hanh tang quan trong ((cong dan) or (((cong thanh) or (cong tan)))) hang cau*.