Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
cham xuc » cam xuc, chat xuc, cham soc
thu sach » thuat sach, thuoc sach, thu hoach
va triet » va thiet, va trien, ve triet
dinh vi » dinh ve, dinh viet, dinh tri
va dinh » van dinh, va kinh, va tinh
tu sach » su sach, te sach, tu cach
hieu va » lieu va, hieu qua
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
va cham » va chat, va tham
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 (thu sach)) ky dang xa hoi. hieu va cham xuc va dinh vi ((va triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky dang xa hoi. hieu va cham xuc va dinh vi ((va triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky dang xa hoi. hieu va cham xuc va dinh vi ((va triet) or (cua viet))*.