Perhaps you should try some spelling variations:
thanh con » thanh cong, thanh son, thanh cuong
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
te sach » toc sach
van cam » van nam, van lam, van cau
con cua » cong cua, co cua, dong cua
cua tre » cua te, cuu tre, cua triet
nang o » nang co, nang ho, nang ro
xuc va » duc va, tuc va, luc 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) or (te sach)) ky nang o hoi. hieu van cam xuc va thanh con cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (te sach)) ky nang o hoi. hieu van cam xuc va thanh con cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (te sach)) ky nang o hoi. hieu van cam xuc va thanh con cua tre*.