Perhaps you should try some spelling variations:
symposium series » symposium semi, symposium sas, symposium sss
acs symposium » bacus symposium, lakes symposium, games symposium
symposium iii » symposium ii, symposium i, symposium ismis
das symposium » das symposion, bacus symposium, texas symposium
symposium iv » symposium isvc

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: (((( acs symposium iii ) OR ( acs symposium iv ))) OR ( das symposium series )).
• Adding a wildcard symbol may retrieve word variants: (((( acs symposium iii ) or ( acs symposium iv ))) or ( das symposium series ))*.