Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
tang cong » tang cuong, trang cong, dang cong
ho chieu » theo chieu, hoc thieu, doi chieu
trung ha » trung hoc, trung tam, trung cap
cong san » cong tac
than cau » toan cau, thanh chau, thanh mau
than cap » khan cap, thanh lap, thanh cac
phan cau » phan dau, phan cac, phan tu
ha tang » phap tang, cao tang, kho tang

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 ha tang cong san ((((than cau) OR (than cap))) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung ha tang cong san ((((than cau) OR (than cap))) OR (phan cau))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh trung ha tang cong san ((((than cau) OR (than cap))) or (phan cau))*".