Perhaps you should try some spelling variations:
hieu van » thien van, lieu va, hieu ve
hanh vai » hanh vi, hanh va, hanh tai
cau treo » cau theo, cau tren, cau triet
tu sach » thu sach, su sach, te sach
hieu va » lieu va, hieu qua
vai cau » va cau, van cau, vai cac
y nang » ky nang, ly nang, v nang
xuc va » tuc va, luc va, xac va
x hoi » xa hoi, o hoi, x ho

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: tu sach y nang x hoi. ((hieu va) OR (hieu van)) cac ((xuc va) OR (duc va)) hanh vai cau treo~.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang x hoi. ((hieu va) or (hieu van)) cac ((xuc va) or (duc va)) hanh vai cau treo*.