Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cuu tre, cua triet
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
ve cau » va cau, ve cac, le cau
loc va » hoc va, luc va
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua
ke cau » ket cau

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 ((ve cau) or (ke cau)) ((loc va) or (tuc va)) hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky tang xa hoi. hieu ((ve cau) OR (ke cau)) ((loc va) OR (tuc va)) hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky tang xa hoi. hieu ((ve cau) or (ke cau)) ((loc va) or (tuc va)) hanh vi cua tre*.