Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhanh dung » nhanh dong, hanh dung, nhanh hung
tieu sach » dien sach, te sach, viet sach
tri nhung » troi nhung, thi nhung, tri hung
cong danh » cuong danh, cong dan, cong thanh
dung tri » dung tai, dung tren, dung sai
cong anh » dong anh, hong anh, cong thanh
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu sach) OR (chieu sach)) - nhanh dung tri nhung ((cong anh) or (cong danh)) tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sach) OR (chieu sach)) - nhanh dung tri nhung ((cong anh) OR (cong danh)) tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu sach) OR (chieu sach)) - nhanh dung tri nhung ((cong anh) or (cong danh)) tuan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sach) OR (chieu sach)) - nhanh dung tri nhung ((cong anh) or (cong danh)) tuan cau*.