Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh di » thanh doi, thanh de, thanh do
tu cach » tu cac
duc ban » duc tan, duc van, dua ban
cua tre » cua te, cuu tre, cua triet
te sach » toc sach
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac
di cua » dai cua, doi cua, de cua
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 cach) OR (te sach)) ky nang x hoi. hieu ((ve cam) OR (ve cac)) duc ban thanh di cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (te sach)) ky nang x hoi. hieu ((ve cam) OR (ve cac)) duc ban thanh di cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (te sach)) ky nang x hoi. hieu ((ve cam) OR (ve cac)) duc ban thanh di cua tre*.