Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
cua thong » cua thuong, cua khong, cua tong
cong dan » cong san, cong tan, huong dan
dan chon » dan chan, dan cho, dinh chon
chon cac » cho cac, thong cac, hoc cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - ((thanh trung) OR (thanh tung)) cua thong cong dan chon cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - ((thanh trung) OR (thanh tung)) cua thong cong dan chon cac".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((thanh trung) OR (thanh tung)) cua thong cong dan chon cac*.