Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
cap thong » cap tong, chap thuong, phap thong
thanh bac » nhanh bac, thanh bai, thanh san
ho chieu » theo chieu, hoc thieu, doi chieu
tung cap » trung cap, cung cap, thong cap
khan ap » khan cap, han ap, khan dam

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