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