Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hanh tran » hanh trang, thanh tran, hanh tram
van nhung » van nhuong, va nhung, van hung
khoan cam » khoa cam, khoan va, phan cam
tran van » luan van
cong san » cong tac
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, phan cac, phan cau

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 sach - hanh tran van nhung cong san ((than cap) or (((khan cap) OR (khoan cam))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh tran van nhung cong san ((than cap) OR (((khan cap) OR (khoan cam)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - hanh tran van nhung cong san ((than cap) or (((khan cap) OR (khoan cam))))".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh tran van nhung cong san ((than cap) or (((khan cap) OR (khoan cam))))*.