Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
va cham » va chat, va tham
danh di » danh du, xanh di, danh dien
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
ve cham » ve chat, vu cham, ve chim
xuc va » duc va, tuc va, luc va
v nang » va nang, vu nang, van nang
di cua » dai cua, doi cua, de cua

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 ((v nang) OR (vu quang)) xa hoi. hieu ((ve cham) OR (va cham)) xuc va danh di cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ((v nang) or (vu quang)) xa hoi. hieu ((ve cham) OR (va cham)) xuc va danh di cua tre~".
• Adding a wildcard symbol may retrieve word variants: toc sach ((v nang) or (vu quang)) xa hoi. hieu ((ve cham) OR (va cham)) xuc va danh di cua tre*.