Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh doanh » hang doanh, chinh doanh, doanh doanh
doc chieu » doc hieu, doi chieu, toc thieu
doanh cua » doanh luan
dung cong » dung trong
ban hanh » ban hang
hanh cac » hang cac, hanh cat, hanh cham

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

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