Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
hanh trung » thanh trung, hanh trang, manh trung
tuan dung » tuan duong, tran dung, tan dung
dung cong » dung trong
chi xanh » chi danh, chi hanh, chieu xanh
cong san » cong tac
san toan » van toan, dan toan, manh toan
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)) - hanh trung tuan dung cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi anh)) - hanh trung tuan dung cong san toan ban.
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) or (chi anh)) - hanh trung tuan dung cong san toan ban*.