Perhaps you should try some spelling variations:
quang trong » quang truong, quang trung, quan trong
nhieu tang » chieu sang, hieu lang, nhiet nang
chieu sach » chinh sach, chiet tach, chieu sang
thanh tran » thanh trang, thanh toan, thanh tra
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((nhieu tang) or (chieu sach)) - thanh tran quang trong cong tan ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((nhieu tang) OR (chieu sach)) - thanh tran quang trong cong tan ((than cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: theo ((nhieu tang) or (chieu sach)) - thanh tran quang trong cong tan ((than cau) or (phan cau))*.