Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
anh quang » anh xquang, anh quan, nhanh quang
tinh bang » tinh sang, tinh lang, tinh quang
dung cong » dung trong
anh tang » anh bang, anh dang, anh nang
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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 tang) or (((anh quang) or (tinh bang)))) su dung cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((anh tang) OR (((anh quang) OR (tinh bang)))) su dung cong tan toan ban.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((anh tang) or (((anh quang) or (tinh bang)))) su dung cong tan toan ban*.