Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
trung cap » truong cao, trung tam
dung cong » dung trong
cap dung » ap dung, cao dung, chan dung
cong dan » cong san, cong tan, huong dan
than cau » toan cau, than cap, thanh chau
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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