Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
va danh » va dinh, va hanh, dia danh
hieu ve » hieu va, hieu van
cuu tre » cua tre, cau tren, cau treo
ma hoi » mai hoi, xa hoi, ma hoa
v nang » va nang, vu nang, van nang
y nang » ky nang, ly nang, may nang
va dan » ca dan, va dao, va dau
vi cuu » vi luu, vinh cuu
ve cam » ve cham, ve cac, va cam

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: toc sach ((y nang) OR (v nang)) ma hoi. hieu ve cam xuc ((va danh) OR (va dan)) vi cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ((y nang) or (v nang)) ma hoi. hieu ve cam xuc ((va danh) OR (va dan)) vi cuu tre~".
• Adding a wildcard symbol may retrieve word variants: toc sach ((y nang) or (v nang)) ma hoi. hieu ve cam xuc ((va danh) OR (va dan)) vi cuu tre*.