Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
thien van » thi van
sach kem » hanh kem
duoc ban » duc ban, quoc ban, buoc ban
vai cua » dai cua, hai cua, lai cua
da duoc » tao duoc, hoa duoc
cua tre » cua te, cuu tre, cua triet
sach ky » sach y, sach ty, sach hay
nang o » nang co, nang ho, nang ro
van da » van dao, van dau, van dan
sac ky » cac ky, sai ky
o hoi » co hoi, o hoc, o hai

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 ky) or (sach kem))) or (sac ky)) nang o hoi. thien van da duoc ban thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((((sach ky) OR (sach kem))) OR (sac ky)) nang o hoi. thien van da duoc ban thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((((sach ky) or (sach kem))) or (sac ky)) nang o hoi. thien van da duoc ban thanh vai cua tre*.