Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
theo chieu » theo tieu, ho chieu, theo chu
doi chieu » doc hieu, doi chi, mot chieu
hanh dong » anh dong, ha dong
dong luat » dong luan, dung luat, dong luc
cong lang » cong vang, cong luong, cong quang
lang hang » lang thang, hang hang, nang hang
hang cau » hang dau, hang ca, nhung 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) or (doi chieu)) sang - hanh dong luat thuong cong lang hang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chieu)) sang - hanh dong luat thuong cong lang hang cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doi chieu)) sang - hanh dong luat thuong cong lang hang cau*.