Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
van thanh » van tuan
ban thanh » ban hanh, ban hang
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau
ho lieu » so lieu, co lieu, ho kieu

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 - canh tranh ((van thanh) or (ban thanh)) cong dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - canh tranh ((van thanh) OR (ban thanh)) cong dan phan dau*.