Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
thu sach » tu sach, thuat sach, thuoc sach
tang lai » trang lai, tang tai, tang loi
cham lo » cham o, cham soc, cham hoi
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
lai hoi » dai hoi, lai hoa, lai roi
y tang » ky tang, 6 tang, 7 tang
cam lo » nam lo, cam ly, cam o
nam so » nam sao, nam bo

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 lai hoi. hieu ve ((cham lo) or (((cam lo) or (nam so)))) gia thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y tang lai hoi. hieu ve ((cham lo) OR (((cam lo) OR (nam so)))) gia thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sach y tang lai hoi. hieu ve ((cham lo) or (((cam lo) or (nam so)))) gia thanh vai cua tre*.