Perhaps you should try some spelling variations:
doc sach » hoc sach, toc sach, nuoc sach
cham xuc » cam xuc, chat xuc, cham soc
qua cham » qua hai, qua cac, va cham
va danh » va dinh, va dan, dia danh
sach ky » sac ky, sach y, sach ty
va hanh » van hanh, va thanh, ban hanh
lang ha » long ha
ky lang » ky nang, ky dang, ky tang
ha hoi » hoa hoi, ha noi, xa hoi
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc sach ky lang ha hoi. hieu qua cham xuc ((va hanh) or (va danh)) ((vi cua) or (di cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc sach ky lang ha hoi. hieu qua cham xuc ((va hanh) OR (va danh)) ((vi cua) OR (di cua)) tre.
• Adding a wildcard symbol may retrieve word variants: doc sach ky lang ha hoi. hieu qua cham xuc ((va hanh) or (va danh)) ((vi cua) or (di cua)) tre*.