Perhaps you should try some spelling variations:
"das symposium ismis" » "das symposium isaac", "texas symposium ismis", "lakes symposium ismis", "npss symposium ismis"
"games symposium ii" » "lakes symposium ii", "gauss symposium ii", "cities symposium ii", "games symposium iv", "games symposium i", "games symposium ieee"
"das symposion sieds" » "das symposium sieds", "das symposion des", "das symposion wien"
"bacus symposium isvc" » "bacus symposium isaac", "abacus symposium isvc", "backs symposium isvc", "baus symposium isvc"

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 isvc") OR ((("games symposium ii") OR ("das symposium ismis"))))) OR ("das symposion sieds")).
• Removing quotes may allow a broader search: (((( bacus symposium isvc ) or ((( games symposium ii ) or ( das symposium ismis ))))) or ( das symposion sieds )).
• Adding a wildcard symbol may retrieve word variants: (((("bacus symposium isvc") or ((("games symposium ii") or ("das symposium ismis"))))) or ("das symposion sieds"))*.