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 ivsmis", "acs symposium isvcsmis"
"acs symposium semi" » "acs symposium sas", "acs symposium sss", "acs symposium sagt", "lakes symposium semi", "games symposium semi", "gauss symposium semi"
"das symposium ii" » "das symposion ii", "texas symposium ii", "lakes symposium ii", "das symposium iv", "das symposium isvc", "das symposium ieee", "das symposium ivi", "das symposium isvci"
"acs symposium ii" » "lakes symposium ii", "games symposium ii", "gauss symposium ii", "acs symposium iv", "acs symposium isvc", "acs symposium ieee", "acs symposium ivi", "acs symposium isvci"
"bacus symposium i" » "bacus symposium iv", "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 ((((("acs symposium ii") OR ("das symposium ii"))) OR ("acs symposium ismis"))))) OR ("acs symposium semi")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"bacus symposium i\") or (((((\"acs symposium ii\") OR (\"das symposium ii\"))) or (\"acs symposium ismis\"))))) or (\"acs symposium semi\"))".
• Removing quotes may allow a broader search: (((( bacus symposium i ) or ((((( acs symposium ii ) OR ( das symposium ii ))) or ( acs symposium ismis ))))) or ( acs symposium semi )).
• Adding a wildcard symbol may retrieve word variants: (((("bacus symposium i") or ((((("acs symposium ii") OR ("das symposium ii"))) or ("acs symposium ismis"))))) or ("acs symposium semi"))*.