Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
qua ca » qua cac, qua cua, qua cai
ca xuc » cam xuc, chat xuc
anh vi » hanh vi, anh va, anh ve
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang x hoi. hieu qua ca xuc van ((anh vi) or (hanh kem)) ((cua tre) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang x hoi. hieu qua ca xuc van ((anh vi) OR (hanh kem)) ((cua tre) OR (cau tren)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x hoi. hieu qua ca xuc van ((anh vi) or (hanh kem)) ((cua tre) or (cau tren))*.