Perhaps you should try some spelling variations:
thanh trung » thanh tung
tieu xanh » tieu danh, chieu xanh, dieu hanh
anh dang » anh dong, anh dung, anh bang
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
cong tac » cong ty
tac ran » tac can, tac van, tac quan
ran cau » van cau, ban cau, can cau

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 trung) or (anh dang)) ((cua dung) or (cua dang)) cong tac ran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((thanh trung) OR (anh dang)) ((cua dung) OR (cua dang)) cong tac ran cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((thanh trung) or (anh dang)) ((cua dung) or (cua dang)) cong tac ran cau*.