Perhaps you should try some spelling variations:
luan trong » quan trong, luat trong, luan tuong
thi chieu » thi chien, thi hieu, theo chieu
hanh dong » anh dong, ha dong
dong luan » dung luan, tong luan, dong xuan
cong bang » cuong bang, dong bang, hong bang
bang hang » ban hang, hang hang, nang hang
ho chieu » theo chieu, hoc thieu, doi chieu
hang ca » hang va, nang cao, 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: ((thi chieu) or (ho chieu)) sang - hanh dong luan trong cong bang hang ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thi chieu) OR (ho chieu)) sang - hanh dong luan trong cong bang hang ca.
• Adding a wildcard symbol may retrieve word variants: ((thi chieu) or (ho chieu)) sang - hanh dong luan trong cong bang hang ca*.