Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
cham xuc » cam xuc, chat xuc, cham soc
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
va danh » va dan, va hanh, dia danh
va dinh » van dinh, va kinh, va tinh
ma hoi » mai hoi, xa hoi, ma hoa
vai va » mai va, dai va, hai va
thiet » thieu

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang ma hoi. hieu van cham xuc ((va danh) OR (va dinh)) vai va thiet~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ma hoi. hieu van cham xuc ((va danh) OR (va dinh)) vai va thiet*.