Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
mot chieu » doi chieu
tuan dung » tuan duong, tran dung, tan dung
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (ho chieu)) xanh - thanh trung tuan dung ((cong dan) OR (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (ho chieu)) xanh - thanh trung tuan dung ((cong dan) OR (cong san)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (ho chieu)) xanh - thanh trung tuan dung ((cong dan) OR (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (ho chieu)) xanh - thanh trung tuan dung ((cong dan) OR (cong san)) toan cau*.