Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
thong than » thong thanh, thong phan, thong nhan
va phuong » va thuong, cac phuong
thong tan » thong tran, thong tin, thong van
ho chieu » theo chieu, hoc thieu, doi chieu
toan tap » toan ban
tung va » trung va, tuong va, dung va

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 va phuong ((thong tan) OR (thong than)) toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh tung va phuong ((thong tan) OR (thong than)) toan tap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung va phuong ((thong tan) OR (thong than)) toan tap*.