Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hang cong » dang cong, hang nong, bang cong
dung cong » dung trong
anh nang » ganh nang, anh dang, anh sang
anh bang » anh hoang, anh quang, tinh bang
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - ((anh nang) or (anh bang)) cua ((hang cong) or (dung cong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((anh nang) OR (anh bang)) cua ((hang cong) OR (dung cong)) dan toan cao.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((anh nang) or (anh bang)) cua ((hang cong) or (dung cong)) dan toan cao*.