Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cho sang » cho hang, cho san, cho lang
cao sang » cao dang, cao tang, cao bang
tranh va » tranh van, trang va, trinh va
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, 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: cao ((cho sang) or (cao sang)) - canh tranh va nhung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cao ((cho sang) OR (cao sang)) - canh tranh va nhung cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: cao ((cho sang) or (cao sang)) - canh tranh va nhung cong dan than cau*.