Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
cham xuc » cam xuc, chat xuc, cham soc
van thai » van thoai, van tai, van hai
sach ky » sach y, sach ty, sach kem
xuc van » duc van, luc van, vuc van
van van » van ban, tan van, san van
thai va » thai van
sac ky » cac ky, sai ky
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: su ((sach ky) or (sac ky)) nang x hoi. hieu qua cham xuc van van thai va (thiet or thieu)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (sac ky)) nang x hoi. hieu qua cham xuc van van thai va (thiet OR thieu).
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) or (sac ky)) nang x hoi. hieu qua cham xuc van van thai va (thiet or thieu)*.