Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
dang cong » dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu tinh - hanh doanh cua ((dang cong) or (han tong)) dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh doanh cua ((dang cong) OR (han tong)) dan than ban*.