Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh dung » thanh duong, thanh tung, thanh hung
hoc thieu » toc thieu, hoc hien
van hang » van khang, van hoang, van thang
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap
va hang » va nang, va hanh, ban hang
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: hoc thieu xanh - thanh dung ((((va hang) or (van hang))) or (va lang)) cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh dung ((((va hang) OR (van hang))) OR (va lang)) cong dan than cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh dung ((((va hang) or (van hang))) or (va lang)) cong dan than cao*.