Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
thanh lap » thanh san, phan lap, thanh hai
toc sach » hoc sach, doc sach, nuoc sach
lap cua » lai cua, tap cua, lam cua
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, duc va
xang x » nang x
va cam » va cham, va cac, va cao
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sach) or (thuoc sach)) ty xang x hoi. lieu va cam ((tuc va) or (tuc xa)) thanh lap cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (thuoc sach)) ty xang x hoi. lieu va cam ((tuc va) OR (tuc xa)) thanh lap cua tre.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (thuoc sach)) ty xang x hoi. lieu va cam ((tuc va) or (tuc xa)) thanh lap cua tre*.