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
dung cong » dung trong
canh ban » can ban, canh dan, canh van
dan than » dan chan, van than, dan toan
ban than » ban thanh, van thanh, ban hang
can van » cac van, can ban, tan 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 - ((canh ban) or (can van)) quan dung cong ((dan than) OR (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((canh ban) OR (can van)) quan dung cong ((dan than) OR (ban than)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((canh ban) or (can van)) quan dung cong ((dan than) OR (ban than)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((canh ban) or (can van)) quan dung cong ((dan than) OR (ban than)) cau*.