Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
va thanh » gia thanh, ban thanh, va tinh
qua cham » qua hai, qua cac, va cham
cham xuc » cam xuc, chat xuc, cham soc
va dinh » van dinh, va kinh, va tinh
va hanh » van hanh, va danh, ban hanh
sach ky » sac ky, sach y, sach ty
danh ha » danh hoa, doanh ha, danh hau
ky danh » ky anh, ky dang
cua tre » cua te, cuu tre, cua triet
ha hoi » hoa hoi, ha noi, xa hoi
vi cua » vai cua, di cua

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

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