Perhaps you should try some spelling variations:
canh thanh » canh tranh, danh thanh, anh thanh
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
san bang » can bang, san sang, gan bang
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban
can ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((hieu manh) or (chieu sach)) - canh thanh ((san bang) or (can ban)) cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu manh) OR (chieu sach)) - canh thanh ((san bang) OR (can ban)) cong tan toan ban.
• Adding a wildcard symbol may retrieve word variants: doi ((hieu manh) or (chieu sach)) - canh thanh ((san bang) or (can ban)) cong tan toan ban*.