Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
doanh khoa » toan khoa
dung cong » dung trong
qua dung » quang dung, su dung, qua song
cong san » cong tac
phan cau » phan dau, phan cac, phan tu
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu tinh - ((doanh doanh) or (doanh khoa)) qua dung cong san ((phan cau) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - ((doanh doanh) OR (doanh khoa)) qua dung cong san ((phan cau) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - ((doanh doanh) or (doanh khoa)) qua dung cong san ((phan cau) or (phan lap))*.