Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
dong thong » thong thong, nong thon, dong thanh
trung cap » truong cao, trung tam
thong dan » thong van, tuong dan, thong den
ho chieu » theo chieu, hoc thieu, doi chieu
cap dong » cao dong, cau dong, ca dong
khan cap » khan ap, khoan cam, phan cac
than cap » thanh lap, thanh cac, than cua

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 cap dong thong dan ((khan cap) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung cap dong thong dan ((khan cap) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung cap dong thong dan ((khan cap) or (than cap))*.