Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
nhung tung » nhung tuong, nhung vung, nhung huong
nhung dung » phuong dung, ung dung, thong dung
doi chieu » doc hieu, doi chi, ho chieu
thanh bac » nhanh bac, thanh bai, thanh san
tung cua » trung cua, tuong cua, dung cua
khan cap » khan ap, than cap, khoan cam

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 tung cua ((nhung tung) OR (nhung dung)) dan ((khan cap) or (thanh bac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh tung cua ((nhung tung) OR (nhung dung)) dan ((khan cap) OR (thanh bac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh tung cua ((nhung tung) OR (nhung dung)) dan ((khan cap) or (thanh bac))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh tung cua ((nhung tung) OR (nhung dung)) dan ((khan cap) or (thanh bac))*.