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

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