Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
sach ky » sac ky, sach y, sach ty
van cam » van nam, van lam, van cau
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cua te, cuu tre, dua tren
anh va » hanh 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: thuat sach ky nang x hoi. hieu van cam xuc ban ((hanh vi) or (anh va)) ((cua triet) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ky nang x hoi. hieu van cam xuc ban ((hanh vi) OR (anh va)) ((cua triet) OR (cua tre)).
• Adding a wildcard symbol may retrieve word variants: thuat sach ky nang x hoi. hieu van cam xuc ban ((hanh vi) or (anh va)) ((cua triet) or (cua tre))*.