Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » hieu lang, nhieu tang
chieu xanh » chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, hieu cach
trung cap » truong cao, trung tam
dung cong » dung trong
cap dung » ap dung, cao dung, chan dung
cong san » cong tac
san than » sang than, san thanh, ban than
than cau » toan cau, phan cau, than cap

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 sang) OR (((chieu xanh) OR (chieu sach)))) - thanh trung cap dung cong san than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (((chieu xanh) OR (chieu sach)))) - thanh trung cap dung cong san than cau~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (((chieu xanh) OR (chieu sach)))) - thanh trung cap dung cong san than cau*.