Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
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 ((lieu tinh) or (hieu lang)) - canh tranh cua bang cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((lieu tinh) OR (hieu lang)) - canh tranh cua bang cong dan than cao*.