Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh vi » hanh vi, thanh va, thanh ve
hoc sach » hoc sinh, hoc cac, hoc anh
hieu ve » hieu va, hieu van
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
_ lang » o lang, _ land
ve cam » ve cham, ve cac, va cam
cam tu » cam thu, nam tu, dam tu
tu van » tu va
y lang » o lang, tay lang, yen lang
vi cua » vai cua, di cua

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) OR (hoc sach)) ((y lang) OR (_ lang)) xa hoi. hieu ve cam tu van thanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (hoc sach)) ((y lang) OR (_ lang)) xa hoi. hieu ve cam tu van thanh vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (hoc sach)) ((y lang) OR (_ lang)) xa hoi. hieu ve cam tu van thanh vi cua tre*.