Perhaps you should try some spelling variations:
thanh trung » thanh tung
trong manh » trong minh, trong mach, trong canh
doi chieu » doc hieu, doi chi, mot chieu
trung cap » truong cao, trung tam
trong anh » truong anh, trong nganh, trong doanh
ho chieu » theo chieu, hoc thieu, mot chieu
cap dung » ap dung, cao dung, chan dung

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) xanh - thanh trung cap dung ((trong manh) OR (trong anh)) van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doi chieu)) xanh - thanh trung cap dung ((trong manh) OR (trong anh)) van ban~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) xanh - thanh trung cap dung ((trong manh) OR (trong anh)) van ban*.