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