Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
trinh quan » tinh quang, trinh luat, trinh han
doi chieu » doc hieu, doi chi, mot chieu
quan dong » quang dong, quan long, quan hoang
dong cong » duong cong, dung cong, dang cong
quang bao » quang cao, quang ban, quang nam
ho chieu » theo chieu, hoc thieu, mot chieu
cong hai » cong thai, cong ha, hoang hai
quan ao » quan so, quang cao, quan doi

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

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