Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
lanh tranh » canh tranh, lan tranh, sach tranh
dang cuong » dang cong, tang cuong, quang cuong
cuong dan » cuong danh, huong dan, cong dan
doc hieu » toc thieu, hoc thieu, hoc hien
dan toan » van toan, dan than, manh toan
toan ban » van ban
va dang » van dang, va nang, va 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) or (hanh trinh)) va dang cuong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (theo tieu)) xanh - ((lanh tranh) OR (hanh trinh)) va dang cuong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (theo tieu)) xanh - ((lanh tranh) or (hanh trinh)) va dang cuong dan toan ban*.