Perhaps you should try some spelling variations:
thanh sinh » thanh binh, thanh tinh, thanh vinh
van thanh » ban thanh, van tuan
sinh cua » manh cua, dinh cuu, sinh va
sach ly » sach lo, sach ty, sach hay
cua tre » cua te, cuu tre, cua triet
nang o » nang co, nang ho, nang ro
va cau » van cau, va cac, va dau
cau tu » dau tu, cau truc
tu van » tu va
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: su ((sach ly) or (sach y)) nang o hoi. lieu va cau tu van thanh sinh cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ly) OR (sach y)) nang o hoi. lieu va cau tu van thanh sinh cua tre.
• Adding a wildcard symbol may retrieve word variants: su ((sach ly) or (sach y)) nang o hoi. lieu va cau tu van thanh sinh cua tre*.