Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
dinh dai » dinh dat, sinh dai, dinh dao
cua viet » ca viet, hoa viet, cua vat
su sach » so sach, vu sach
ly nang » ky nang, ly hang, ly vang
van cau » van dau, van hau, van chat
cau xuc » cam xuc, cau luc, cau truc
va dinh » van dinh, va kinh, va tinh
y nang » ky nang, v nang, may nang
xuc va » duc va, tuc va, luc va

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((y nang) OR (ly nang)) ma hoa. hieu van cau xuc va dinh dai cua viet~.
• Adding a wildcard symbol may retrieve word variants: su sach ((y nang) or (ly nang)) ma hoa. hieu van cau xuc va dinh dai cua viet*.