Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
va cham » va chat, va tham
hanh tu » anh tu, danh tu
cuu tre » cua tre, cau tren, cau treo
v nang » va nang, vu nang, van nang
y nang » ky nang, ly nang, may nang
uoc va » nuoc va, duoc va, quoc va
loc va » hoc va, luc va
tu cuu » tu huu, tu cua, tu chu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ((y nang) OR (v nang)) x hoi. lieu va cham ((uoc va) or (loc va)) hanh tu cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((y nang) OR (v nang)) x hoi. lieu va cham ((uoc va) OR (loc va)) hanh tu cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ((y nang) OR (v nang)) x hoi. lieu va cham ((uoc va) or (loc va)) hanh tu cuu tre".
• Adding a wildcard symbol may retrieve word variants: thu sach ((y nang) OR (v nang)) x hoi. lieu va cham ((uoc va) or (loc va)) hanh tu cuu tre*.