Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
toc sach » hoc sach, doc sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
ve cham » va cham, ve chat, vu cham
van cua » vang cua, ban cua, dan cua
cua tre » cua te, cuu tre, cua triet
so sach » so sanh, bo sach, co sach
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
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 (so sach)) ky nang x hoi. hieu ((ve cham) or (va cam)) luc va thanh van cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (so sach)) ky nang x hoi. hieu ((ve cham) OR (va cam)) luc va thanh van cua tre.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (so sach)) ky nang x hoi. hieu ((ve cham) or (va cam)) luc va thanh van cua tre*.