Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
te sach » toc sach
ky lang » ky nang, ky tang, tay lang
ky dang » ky nang, ky danh
van cam » van nam, van lam, van cau
xuc ban » duc ban, cuc ban, quoc ban
dua ban » dia ban, cua ban, qua ban
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ky lang) or (ky dang)) xa hoi. hieu van cam ((xuc ban) or (dua ban)) hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky lang) OR (ky dang)) xa hoi. hieu van cam ((xuc ban) OR (dua ban)) hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((ky lang) or (ky dang)) xa hoi. hieu van cam ((xuc ban) or (dua ban)) hanh vi cua tre*.