Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
cham hoi » cham voi, cham h'roi, pham hoai
va thanh » gia thanh, ban thanh, va tinh
vai cua » dai cua, hai cua, lai cua
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
tang ma » tang van
cua tre » cua te, cuu tre, cua triet
cam lo » nam lo, cam ly, cam o

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

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