Perhaps you should try some spelling variations:
sang tao » hang tai
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
vai cua » dai cua, hai cua, lai cua
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
sach ty » sach tu, sach thu, xach tay
nang ma » tang ma, sang ma, nang cao
cua tre » cua te, cuu tre, cua triet
cham o » cham soc
o van » vo van, so van, do van

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 ty) or (sach y)) ((nang ma) or (sang tao)) hoi. hieu ve cham o van hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ty) OR (sach y)) ((nang ma) OR (sang tao)) hoi. hieu ve cham o van hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: thu ((sach ty) or (sach y)) ((nang ma) or (sang tao)) hoi. hieu ve cham o van hanh vai cua tre*.