Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
dung cong » dung trong
cong van » cong vang, cong san, song van
toan cao » toan ban
toan tap » toan ban
dung cu » dung cua, dung co, dung cho
cu dung » su dung, cau duong, duc dung

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 - hanh dung cu dung cong van ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh dung cu dung cong van ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh dung cu dung cong van ((toan cao) or (toan tap))*.