Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh do » thanh de, thanh pho, thanh hoa
cham luc » cham soc, nhan luc, cham cuu
te sach » toc sach
hieu va » lieu va, hieu qua
luc ban » duc ban, cuc ban, luc bat
va cham » va chat, va tham
vu dang » su dang, vu quang, cua dang
cuu tre » cua tre, cau tren, cau treo
v nang » va nang, vu nang, van nang
do cuu » do huu, do cua, ho cuu
x hoi » xa hoi, o hoi, 5 hoi

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: te sach ((v nang) OR (vu dang)) ((x hoi) OR (x ho)). hieu va cham luc ban thanh do cuu tre~.
• Adding a wildcard symbol may retrieve word variants: te sach ((v nang) or (vu dang)) ((x hoi) or (x ho)). hieu va cham luc ban thanh do cuu tre*.