Perhaps you should try some spelling variations:
lanh tranh » canh tranh, lan tranh, hanh trinh
cuong danh » cuon danh, huong dan, cuong linh
danh toan » manh toan, anh toan, dan toan
doc hieu » toc thieu, hoc thieu, hoc hien
toan ban » van ban
va dang » van dang, va nang, da dang
va lang » va nang, hoa lang

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 (theo tieu)) xanh - lanh tranh ((va dang) OR (va lang)) cuong danh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (theo tieu)) xanh - lanh tranh ((va dang) OR (va lang)) cuong danh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) or (theo tieu)) xanh - lanh tranh ((va dang) OR (va lang)) cuong danh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (theo tieu)) xanh - lanh tranh ((va dang) OR (va lang)) cuong danh toan ban*.