Perhaps you should try some spelling variations:
thanh trung » thanh tung
tieu xanh » tieu danh, chieu xanh, dieu hanh
dung cong » dung trong
ban thanh » ban hanh, ban hang
tam dung » tam duong, tac dung, tan dung
tan toan » tan tran, tap toan, van toan
van tai » von tai, van tuan

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 tam dung cong ((tan toan) or (((van tai) or (ban thanh)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh trung tam dung cong ((tan toan) OR (((van tai) OR (ban thanh)))) cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh trung tam dung cong ((tan toan) or (((van tai) or (ban thanh)))) cau*.