Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
cua viet » ca viet, hoa viet, cua vat
sach ky » sac ky, sach y, sach ty
van dau » van dao, phan dau
dau xuc » dau xac, dau xua, dau nuoc
va hanh » van hanh, va danh, ban hanh
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, o hoi, x ho

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: "thu sach ky nang x hoi. hieu van dau xuc ((va hanh) OR (va thanh)) di cua viet~".
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang x hoi. hieu van dau xuc ((va hanh) OR (va thanh)) di cua viet*.