Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
trung cap » truong cao, trung tam
hang nong » thang long, han tong
ho chieu » theo chieu, hoc thieu, doi chieu
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan cac

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