Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
toc sach » doc sach, thuoc sach, nuoc sach
hoc sach » hoc sinh, hoc cac, hoc anh
thanh le » thinh le, thanh ve, thanh de
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
v nang » va nang, vu nang, van nang
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, va cam
le cua » ly cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sach) or (hoc sach)) v nang ma hoi. hieu ve cam xuc van thanh le cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (hoc sach)) v nang ma hoi. hieu ve cam xuc van thanh le cua tre.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (hoc sach)) v nang ma hoi. hieu ve cam xuc van thanh le cua tre*.