Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
xuat ban » luat ban, xuat san, thuat ban
quoc ban » quoc bao, quoc lan, quoc quan
hieu va » lieu va, hieu qua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
da cua » dai cua, day cua, dan cua
x hoi » xa hoi, o hoi, x ho
d cua » de cua, do cua, di cua

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: tu sac ky nang x hoi. hieu va thanh ((xuat ban) OR (quoc ban)) banh ((d cua) OR (da cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang x hoi. hieu va thanh ((xuat ban) or (quoc ban)) banh ((d cua) OR (da cua)) tre~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang x hoi. hieu va thanh ((xuat ban) or (quoc ban)) banh ((d cua) OR (da cua)) tre*.