Perhaps you should try some spelling variations:
canh trinh » canh tranh, canh tinh, anh trinh
hanh trinh » canh tranh, hanh chinh
nhung dong » nhung don, nhung cong, nhung dung
doc hieu » toc thieu, hoc thieu, hoc hien
dong anh » hong anh, dong thanh, hoang anh
anh toan » manh toan, anh tuan, thanh toan
toan ban » van ban
cho chu » cho thue

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (cho chu)) xanh - ((canh trinh) OR (hanh trinh)) va nhung dong anh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (cho chu)) xanh - ((canh trinh) OR (hanh trinh)) va nhung dong anh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) or (cho chu)) xanh - ((canh trinh) OR (hanh trinh)) va nhung dong anh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (cho chu)) xanh - ((canh trinh) OR (hanh trinh)) va nhung dong anh toan ban*.