Perhaps you should try some spelling variations:
lakes symposium » bacus symposium
acs symposium » bacus symposium, das symposium, games symposium
symposium irs » symposium iv, symposium i, symposium iii
symposium ii » symposium iv, symposium i, symposium ismis
sas » sans, sams

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 irs ) OR ( acs symposium ii ))) OR ((( acs symposium sas ) OR ( lakes symposium sas )))).
• Adding a wildcard symbol may retrieve word variants: (((( acs symposium irs ) or ( acs symposium ii ))) or ((( acs symposium sas ) or ( lakes symposium sas ))))*.