Perhaps you should try some spelling variations:
danh sai » dung sai, danh bat, danh dau
so sach » so sanh, bo sach, co sach
dang xa » dang xay, lang xa, dang ha
hieu va » lieu va, hieu qua
cau luc » cau phuc
va danh » va dinh, va dan, va hanh
sai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
y dang » ky dang, 2 dang, _ dang

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y dang xa hoi. hieu va ((cau luc) OR (cau truc)) va danh sai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach y dang xa hoi. hieu va ((cau luc) OR (cau truc)) va danh sai cua tre".
• Adding a wildcard symbol may retrieve word variants: so sach y dang xa hoi. hieu va ((cau luc) OR (cau truc)) va danh sai cua tre*.