Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
quan trong » gian trong
doanh van » doan van, doanh va, doanh ban
ho chieu » theo chieu, hoc thieu, doi chieu
canh dan » canh van, sanh dan, thanh dan
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban

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 - ((doanh van) or (canh dan)) quan trong cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - ((doanh van) OR (canh dan)) quan trong cong san toan tap*.