Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
dang cong » dung cong
cong vang » cong lang, cong quang, cong ngang
anh tang » anh bang, anh dang, anh nang
tang tai » hang tai, dung tai, sang tao
tai dang » tai lang, dai dang, hai dang
toan cau » toan cao, toan tap
toan tai » toan tap, doanh tai, toan cao
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 tai dang cong vang ((((toan cau) or (toan tai))) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - anh tang tai dang cong vang ((((toan cau) OR (toan tai))) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - anh tang tai dang cong vang ((((toan cau) or (toan tai))) or (toan ban))*.