Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
cham xuc » cam xuc, chat xuc, cham soc
so sach » bo sach, co sach, hoc sach
so sanh » do sanh
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
vi cua » vai cua
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, o hoi, x ho

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 (so sanh)) ky nang x hoi. hieu qua cham xuc va hanh ((vi cua) OR (di cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) OR (so sanh)) ky nang x hoi. hieu qua cham xuc va hanh ((vi cua) or (di cua)) tre~".
• Adding a wildcard symbol may retrieve word variants: ((so sach) OR (so sanh)) ky nang x hoi. hieu qua cham xuc va hanh ((vi cua) or (di cua)) tre*.