Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
luan trong » quan trong, luat trong, luan tuong
hanh dung » thanh dung, anh dung, hanh dong
cong bang » cuong bang, dong bang, hong bang
ho chieu » hoc thieu, doi chieu, mot chieu
hang cau » hang ca, nhung cau, nang cao
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: ((theo chieu) or (ho chieu)) sang - hanh dung luan trong cong bang ((hang cau) OR (hang dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sang - hanh dung luan trong cong bang ((hang cau) OR (hang dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (ho chieu)) sang - hanh dung luan trong cong bang ((hang cau) OR (hang dau))".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) sang - hanh dung luan trong cong bang ((hang cau) OR (hang dau))*.