Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
sach ky » sach y, sach ty, sach kem
cua tre » cua te, cua triet, dua tren
van dau » van dao, phan dau
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
cao hoi » cau hoi, co hoi, cao hoc
cuu tre » cau tren, cau treo
xuc va » duc va, tuc va, luc va
sac ky » cac ky, sai ky

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) or (sac ky)) nang cao hoi. hieu vu cham xuc va van dau ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sac ky)) nang cao hoi. hieu vu cham xuc va van dau ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) or (sac ky)) nang cao hoi. hieu vu cham xuc va van dau ((cua tre) or (cuu tre))*.