Perhaps you should try some spelling variations:
canh thanh » canh tranh, danh thanh, anh thanh
doi chieu » doc hieu, ho chieu, mot chieu
san bang » san sang, gan bang, san bong
can bang » cao bang, can ban, van ban
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
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 (doi chi)) xanh - canh thanh ((san bang) or (can bang)) cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) xanh - canh thanh ((san bang) OR (can bang)) cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doi chi)) xanh - canh thanh ((san bang) or (can bang)) cong dan toan ban*.