Perhaps you should try some spelling variations:
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty hang » ly hang, ty xang, thi hang
hang xa » hoang xa, hang va, hang ca
qua cam » qua cham, qua cac, qua ca
cam tuc » cam xuc, cam tu, nam thuc
hang di » hang doi, hang vi, hang dien
cua tre » cua te, cuu tre, cua triet
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 ty hang xa hoi. hieu qua cam tuc va ((hang di) or (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty hang xa hoi. hieu qua cam tuc va ((hang di) OR (hanh vi)) cua tre*.