Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
tung cua » trung cua, tuong cua, dung cua
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 tung cua ((nhung cong) or (hang cong)) tan ((than cap) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh tung cua ((nhung cong) OR (hang cong)) tan ((than cap) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung cua ((nhung cong) or (hang cong)) tan ((than cap) or (khan cap))*.