Perhaps you should try some spelling variations:
thanh trung » thanh tung
bang cong » dang cong, bang song, hang cong
chi xanh » chi danh, chi hanh, chieu xanh
tam bang » tao bang, tam ban, thai bang
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
chi anh » chi danh, chi hanh, thi anh

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi xanh) or (chi anh)) - thanh trung tam bang cong tan ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi anh)) - thanh trung tam bang cong tan ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) or (chi anh)) - thanh trung tam bang cong tan ((toan tap) or (toan ban))*.