Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
thanh son » thanh san, thanh cong, thanh toan
dang cong » dung cong
cong san » cong tac
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
la dang » da dang, le dang, ga dang

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 - thanh son la dang cong san ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh son la dang cong san ((toan cau) OR (toan ban))*.