Perhaps you should try some spelling variations:
doan dau » doan dieu, phan dau, doan va
cham xuc » cam xuc, chat xuc, cham soc
cua tre » cua te, cua triet, dua tren
va doan » va doanh, van doan, va dan
sach ky » sach y, sach ty, sach kem
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
tang ma » mang may, tang van
cuu tre » cau tren, cau treo
ma hoi » mai hoi, xa hoi, ma hoa
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)) tang ma hoi. hieu vu cham xuc va doan 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)) tang ma hoi. hieu vu cham xuc va doan dau ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) or (sac ky)) tang ma hoi. hieu vu cham xuc va doan dau ((cua tre) or (cuu tre))*.