Perhaps you should try some spelling variations:
"acs symposium ismis" » "acs symposium isaac", "acs symposium isvc", "lakes symposium ismis", "games symposium ismis", "gauss symposium ismis", "acs symposium isvcsmis"
"das symposium semi" » "das symposium sas", "das symposium sss", "das symposium sagt", "das symposion semi", "texas symposium semi", "lakes symposium semi"
"acs symposium iv" » "lakes symposium iv", "games symposium iv", "gauss symposium iv", "acs symposium isvc", "acs symposium isvcv"
"bacus symposium i" » "bacus symposium isvc", "abacus symposium i", "backs symposium i", "baus symposium i"

Try widening your search to All Fields.

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: (((("bacus symposium i") OR ((("acs symposium iv") OR ("acs symposium ismis"))))) OR ("das symposium semi")).
• Removing quotes may allow a broader search: (((( bacus symposium i ) or ((( acs symposium iv ) or ( acs symposium ismis ))))) or ( das symposium semi )).
• Adding a wildcard symbol may retrieve word variants: (((("bacus symposium i") or ((("acs symposium iv") or ("acs symposium ismis"))))) or ("das symposium semi"))*.