Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
quan dung » quang dung, quan duong, qua dung
trong dan » trong dang, trong san, trong tan
toan ban » van ban
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
anh van » anh va, thanh van, doanh van

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 - ((toan ban) or (anh van)) quan dung trong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((toan ban) OR (anh van)) quan dung trong dan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((toan ban) or (anh van)) quan dung trong dan than cau*.