Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
vu sach » vu bach, su sach, vu khach
va chai » va cai, va chat, va cham
chuc va » thuc va, thuc vat
cua tre » cua te, cuu tre, cua triet
y nang » ly nang, v nang, may nang
cuc va » duc va, cuu va, cu va
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: vu sach ((y nang) or (ky nang)) xa hoi. lieu va chai ((cuc va) OR (chuc va)) thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((y nang) OR (ky nang)) xa hoi. lieu va chai ((cuc va) OR (chuc va)) thanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ((y nang) or (ky nang)) xa hoi. lieu va chai ((cuc va) OR (chuc va)) thanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: vu sach ((y nang) or (ky nang)) xa hoi. lieu va chai ((cuc va) OR (chuc va)) thanh vi cua tre*.