Perhaps you should try some spelling variations:
can thiet » dan thiet, cac thiet, cad thiet
dang mam » dang nam, dang mau, dang mat
cham xuc » cam xuc, chat xuc, cham soc
dang ma » dang mau, dang mat, tang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
vi can » voi can, vi van, i can

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky ((dang ma) OR (dang mam)) hoi. hieu ve cham xuc va hanh vi can thiet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((dang ma) OR (dang mam)) hoi. hieu ve cham xuc va hanh vi can thiet".
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((dang ma) OR (dang mam)) hoi. hieu ve cham xuc va hanh vi can thiet*.