Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
chua bang » chu bang, chua nang, chua xang
bang cong » dang cong, bang song, hang cong
cong vang » cong lang, cong quang, cong ngang
vang toan » van toan, dang toan, quang toan
anh dung » anh huong, sach dung, ung dung
anh dong » anh huong, anh son
toan ban » van ban

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 dung) or (anh dong)) chua bang cong vang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((anh dung) OR (anh dong)) chua bang cong vang toan ban*.