Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vai » thanh hai, thanh van, thanh tai
thu sach » tu sach, thuat sach, thuoc sach
cham voi » cham hoi, pham voi, cham soc
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
cua tre » cuu tre, cua triet, dua tren
cua te » cua tu
cam ly » tam ly, cam ky, cam lo
y tang » ky tang, 6 tang, 7 tang

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y tang xa hoi. hieu ve ((cham voi) or (cam ly)) ban thanh vai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y tang xa hoi. hieu ve ((cham voi) OR (cam ly)) ban thanh vai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: thu sach y tang xa hoi. hieu ve ((cham voi) or (cam ly)) ban thanh vai ((cua tre) or (cua te))*.