Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
trung dai » truong dai, truong dao, trung tam
dai thong » dai tuong, dai hong, dai thang
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
than cau » than cap, thanh chau, thanh mau
phan cau » phan dau, phan cac, phan tu
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: ho chieu sach - thanh trung dai thong cong san ((((than cau) or (phan cau))) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung dai thong cong san ((((than cau) OR (phan cau))) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung dai thong cong san ((((than cau) or (phan cau))) or (toan cau))*.