Perhaps you should try some spelling variations:
thanh hang » thanh hoang, thanh thang, tranh hang
cua phuong » cuu phuong, cuc phuong, luan phuong
hieu lang » chieu sang, hieu quang, nhieu tang
cua khong » hua khong, cua thuong, cua cong
doi hieu » doi chieu, doc hieu, doi hien
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: doi hieu lang - thanh hang ((cua khong) or (cua phuong)) cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - thanh hang ((cua khong) OR (cua phuong)) cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - thanh hang ((cua khong) or (cua phuong)) cong dan than cau*.