Perhaps you should try some spelling variations:
thanh hung » thanh huong, thanh tung, thanh trung
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo hieu lang - ((thanh cong) or (thanh hung)) tin dung cong dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - ((thanh cong) OR (thanh hung)) tin dung cong dan phan dau.
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - ((thanh cong) or (thanh hung)) tin dung cong dan phan dau*.