Perhaps you should try some spelling variations:
"acs symposium ismisi" » "acs symposium iscis", "acs symposium isms", "acs symposium iii", "acs symposium isaaci", "acs symposium isvci", "bacus symposium ismisi", "das symposium ismisi", "games symposium ismisi"
"lakes symposium ii" » "bacus symposium ii", "lakes symposium iv", "lakes symposium i", "lakes symposium isvc"
"lakes symposium ismis" » "bacus symposium ismis", "lakes symposium isaac", "lakes 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 ((("lakes symposium ii") OR ("lakes symposium ismis"))))) OR ("das symposion sss")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"acs symposium ismisi\") or (((\"lakes symposium ii\") OR (\"lakes symposium ismis\"))))) or (\"das symposion sss\"))".
• Removing quotes may allow a broader search: (((( acs symposium ismisi ) or ((( lakes symposium ii ) OR ( lakes symposium ismis ))))) or ( das symposion sss )).
• Adding a wildcard symbol may retrieve word variants: (((("acs symposium ismisi") or ((("lakes symposium ii") OR ("lakes symposium ismis"))))) or ("das symposion sss"))*.