Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
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 su » dung cu, dung du, dung so

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - hanh dung su dung cong van ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - hanh dung su dung cong van ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - hanh dung su dung cong van ((toan cao) or (toan tap))*.