Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
cua phuong » cuu phuong, cuc phuong, luan phuong
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
song van » hoang van, trong van, duong van
van han » van hanh, van phan, van nhan
han tap » han tai, toan tap, nhan tai

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 - hanh doanh ((cua phuong) or (doan phuong)) song van han tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - hanh doanh ((cua phuong) OR (doan phuong)) song van han tap.
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - hanh doanh ((cua phuong) or (doan phuong)) song van han tap*.