Perhaps you should try some spelling variations:
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
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren
va cam » va cham, va cac, va cao
luc va » duc va, loc va
tuc va » thuc va, truc va, tuc xa

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. lieu va cam ((luc va) OR (tuc va)) hanh vi ((cuu tre) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky tang xa hoi. lieu va cam ((luc va) OR (tuc va)) hanh vi ((cuu tre) OR (cua tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky tang xa hoi. lieu va cam ((luc va) OR (tuc va)) hanh vi ((cuu tre) or (cua tre))".
• Adding a wildcard symbol may retrieve word variants: te sach ky tang xa hoi. lieu va cam ((luc va) OR (tuc va)) hanh vi ((cuu tre) or (cua tre))*.