Perhaps you should try some spelling variations:
thien van » thi van
hieu van » hieu va, lieu va, hieu ve
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
xuc ban » cuc ban, quoc ban, xuat ban
duc ban » duc tan, duc van, dua 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 tang xa hoi. ((hieu van) OR (thien van)) cam ((xuc ban) or (duc ban)) hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky tang xa hoi. ((hieu van) OR (thien van)) cam ((xuc ban) OR (duc ban)) hanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky tang xa hoi. ((hieu van) OR (thien van)) cam ((xuc ban) or (duc ban)) hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky tang xa hoi. ((hieu van) OR (thien van)) cam ((xuc ban) or (duc ban)) hanh vi cua tre*.