Perhaps you should try some spelling variations:
"acs symposium ismisi" » "acs symposium ismis", "acs symposium iscis", "acs symposium isms", "bacus symposium ismisi", "das symposium ismisi", "lakes symposium ismisi"
"games symposium ii" » "lakes symposium ii", "gauss symposium ii", "bacus symposium ii", "games symposium i", "games symposium ismis", "games symposium isvc"
"games symposium iv" » "lakes symposium iv", "gauss symposium iv", "bacus symposium iv", "games symposium isvc"
"das symposion sss" » "das symposium sss", "das symposion des", "das symposion aus"

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: (((("acs symposium ismisi") OR ((("games symposium ii") OR ("games symposium iv"))))) OR ("das symposion sss")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"acs symposium ismisi\") or (((\"games symposium ii\") OR (\"games symposium iv\"))))) or (\"das symposion sss\"))".
• Removing quotes may allow a broader search: (((( acs symposium ismisi ) or ((( games symposium ii ) OR ( games symposium iv ))))) or ( das symposion sss )).
• Adding a wildcard symbol may retrieve word variants: (((("acs symposium ismisi") or ((("games symposium ii") OR ("games symposium iv"))))) or ("das symposion sss"))*.