Perhaps you should try some spelling variations:
thanh sinh » thanh binh, thanh tinh, thanh vinh
van thanh » ban thanh, van tuan
van nang » van quang, van ban, van dong
sinh cua » manh cua, dinh cuu, sinh va
su sach » so sach, vu sach
cau tuc » cau truc, cau tu, cau luc
tuc van » thuc van, truc van, tuc va
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
va cau » van cau, va cac, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((y nang) or (van nang)) xa hoi. lieu va cau tuc van thanh sinh cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((y nang) OR (van nang)) xa hoi. lieu va cau tuc van thanh sinh cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach ((y nang) or (van nang)) xa hoi. lieu va cau tuc van thanh sinh cua tre*.