Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
ve thanh » le thanh, de thanh, den thanh
so sach » so sanh, bo sach, co sach
va cham » va tham
hai cua » thai cua, dai cua, hoi cua
va chat » van chat, va phat, cao chat
cua tre » cua te, cuu tre, cua triet
sach ty » sach y, sach tu, sach thu
ve cham » ve chat, vu cham, ve chim
mang xa » lang xa, mang may, dang xay
ty mang » ty xang, ty hang, tin mang
cuu ve » cuu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty mang xa hoi. hieu ((ve cham) or (((va cham) OR (va chat)))) cuu ve thanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty mang xa hoi. hieu ((ve cham) OR (((va cham) OR (va chat)))) cuu ve thanh hai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty mang xa hoi. hieu ((ve cham) or (((va cham) OR (va chat)))) cuu ve thanh hai cua tre".
• Adding a wildcard symbol may retrieve word variants: so sach ty mang xa hoi. hieu ((ve cham) or (((va cham) OR (va chat)))) cuu ve thanh hai cua tre*.