Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
lang van » dang van, tang van, hoang van
ve triet » va trien, su triet
van hanh » van thanh, ban hanh, van anh
tuc van » thuc van, truc van, tuc va
hanh di » hanh vi, hanh de, hang di
tuc dan » thuc dan, thuc day, tung dan
van dam » van nam, van dao, van dau
ky lang » ky nang, ky dang, ky tang
van cau » van dau, van hau, van chat
dan ky » van ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tuc dan ky lang van hoa. hieu ((van dam) or (van cau)) tuc van hanh di ((ve triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tuc dan ky lang van hoa. hieu ((van dam) OR (van cau)) tuc van hanh di ((ve triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: tuc dan ky lang van hoa. hieu ((van dam) or (van cau)) tuc van hanh di ((ve triet) or (cua viet))*.