Perhaps you should try some spelling variations:
tuc van » thuc van, truc van, tuc va
cua tre » cua te, cua triet, dua tren
hang di » hang doi, hang vi, hang dien
sach ty » sach y, sach tu, sach thu
te sach » toc sach
cam tuc » cam xuc, cam tu, nam thuc
qua cam » qua cham, qua cac, qua ca
nang ma » tang ma, sang ma, nang cao
ty nang » ky nang, ty xang, ty hang
cuu tre » cau tren, cau treo
ma hoi » mai hoi, xa hoi, ma hoa

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang ma hoi. hieu qua cam tuc van ((hang di) OR (hanh vi)) ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang ma hoi. hieu qua cam tuc van ((hang di) or (hanh vi)) ((cua tre) OR (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang ma hoi. hieu qua cam tuc van ((hang di) or (hanh vi)) ((cua tre) OR (cuu tre))*.