Perhaps you should try some spelling variations:
trinh nhung » trinh phuong, trinh dung
chieu sach » chinh sach, chiet tach, chieu sang
hanh nhung » anh nhung, canh nhung, doanh nhung
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
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 sach - canh tranh ((hanh nhung) or (trinh nhung)) ((cong tan) OR (cong san)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tranh ((hanh nhung) OR (trinh nhung)) ((cong tan) OR (cong san)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - canh tranh ((hanh nhung) or (trinh nhung)) ((cong tan) OR (cong san)) toan tap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh tranh ((hanh nhung) or (trinh nhung)) ((cong tan) OR (cong san)) toan tap*.