Perhaps you should try some spelling variations:
thanh soc » thanh son, nhanh soc, thanh hoc
qua thanh » quan thanh, cua thanh, qua than
ban thanh » ban hanh, ban hang
vien cac » vien bach, vien dai, vien da
thanh vi » hanh vi, thanh va, thanh ve
ky tang » ky nang, ky dang, kho tang
tang ha » lang ha, tang ma, trung ha
soc ban » hoc ban, coc ban, so ban
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
ha hoi » hoa hoi, ha noi, xa 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: vien cac ky tang ha hoi. hieu qua thanh soc ban thanh vi ((cua tre) OR (cuu tre))~.
• Adding a wildcard symbol may retrieve word variants: vien cac ky tang ha hoi. hieu qua thanh soc ban thanh vi ((cua tre) or (cuu tre))*.