Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh thanh, dong doanh
chieu tinh » trieu tinh, lieu tinh, chau tinh
doanh hoan » doanh khoa, doanh nhan, doanh luan
luan trong » quan trong, luat trong, luan tuong
doi chieu » doc hieu, doi chi, ho chieu
cong tan » cong tac, cong san, cong thanh
phan cac » nhan cach, phan dau, phan lap
hang dau » hang va, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu tinh - ((doanh doanh) OR (doanh hoan)) luan trong cong tan ((phan cac) or (hang dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - ((doanh doanh) OR (doanh hoan)) luan trong cong tan ((phan cac) OR (hang dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu tinh - ((doanh doanh) OR (doanh hoan)) luan trong cong tan ((phan cac) or (hang dau))".
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - ((doanh doanh) OR (doanh hoan)) luan trong cong tan ((phan cac) or (hang dau))*.