Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
luat chung » luan chung, luat thuong, cua chung
chung cong » nhung cong, chong cong, phung cong
doi chieu » doc hieu, ho chieu, thi chieu
mot chieu » ho chieu
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap
doi chi » doi khi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((((doi chieu) OR (mot chieu))) or (doi chi)) xanh - canh trinh luat chung cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((doi chieu) OR (mot chieu))) OR (doi chi)) xanh - canh trinh luat chung cong tac than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((doi chieu) OR (mot chieu))) or (doi chi)) xanh - canh trinh luat chung cong tac than cau".
• Adding a wildcard symbol may retrieve word variants: ((((doi chieu) OR (mot chieu))) or (doi chi)) xanh - canh trinh luat chung cong tac than cau*.