Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
hang doi » hang di, hang loi, huong doi
tu sach » thu sach, su sach, te sach
doi cua » dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
y nang » ly nang, v nang, may nang
loc va » luc va
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: tu sach ((y nang) or (ky nang)) x hoi. lieu va thanh ((hoc va) or (loc va)) hang doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (ky nang)) x hoi. lieu va thanh ((hoc va) OR (loc va)) hang doi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) or (ky nang)) x hoi. lieu va thanh ((hoc va) or (loc va)) hang doi cua tre*.