Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh toan » thanh hoa, thanh san, tinh toan
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chieu sach)) - ((thanh toan) or (canh tranh)) va nhung cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu sach)) - ((thanh toan) OR (canh tranh)) va nhung cong dan than cao.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu sach)) - ((thanh toan) or (canh tranh)) va nhung cong dan than cao*.