Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
hoc sach » hoc sinh, hoc cac, hoc anh
dang cap » nang cap, dang ca, dang cac
cap phoi » cap cho
cham xuc » cam xuc, chat xuc, cham soc
kinh vi » dinh vi, kinh ve, kenh vi
va kinh » va tinh, qua kinh
tu sach » thu sach, su sach, te sach
ky dang » ky nang, ky danh
xuc va » duc va, tuc va, luc va

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) or (hoc sach)) ky dang cap phoi. hieu qua cham xuc va kinh vi ((va thiet) or (hoa viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (hoc sach)) ky dang cap phoi. hieu qua cham xuc va kinh vi ((va thiet) OR (hoa viet)).
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (hoc sach)) ky dang cap phoi. hieu qua cham xuc va kinh vi ((va thiet) or (hoa viet))*.