Perhaps you should try some spelling variations:
dang dai » dang hai, dang bai, dang dan
cua tuc » cua duc, cua thuoc, luat tuc
va dinh » van dinh, va kinh, va tinh
ky dang » ky nang, ky danh
dai hoi » dai hoc, dai hai, dai moi
su phat » su pham, tu phat, cuu phat
xu phat » tu phat, cuu phat
dinh di » dinh du, dinh vi, danh di
cua tu » cua su, cua cu, cua te
tu bai » tu ban, tu bat, te bai
xuc va » duc va, tuc va, luc va
bai ky » ban ky, sai ky, bac ky

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 bai ky dang dai hoi. hieu ((su phat) OR (xu phat)) xuc va dinh di ((cua tu) OR (cua tuc))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu bai ky dang dai hoi. hieu ((su phat) OR (xu phat)) xuc va dinh di ((cua tu) or (cua tuc))~".
• Adding a wildcard symbol may retrieve word variants: tu bai ky dang dai hoi. hieu ((su phat) OR (xu phat)) xuc va dinh di ((cua tu) or (cua tuc))*.