Perhaps you should try some spelling variations:
so sach » so sanh, co sach, hoc sach
bo sach » co sach, hoc sach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
danh vi » hanh vi, dinh vi, danh di
cau luc » cau phuc
va danh » va dinh, va dan, va hanh
vi cua » vai cua, di cua
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (bo sach)) ky lang xa hoi. lieu va ((cau luc) OR (cau truc)) va danh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) OR (bo sach)) ky lang xa hoi. lieu va ((cau luc) or (cau truc)) va danh vi cua te~".
• Adding a wildcard symbol may retrieve word variants: ((so sach) OR (bo sach)) ky lang xa hoi. lieu va ((cau luc) or (cau truc)) va danh vi cua te*.