Perhaps you should try some spelling variations:
"acs symposium iii" » "das symposium iii", "games symposium iii", "gauss symposium iii", "acs symposium iv", "acs symposium i", "acs symposium ismis", "acs symposium ivi", "acs symposium ii", "acs symposium ismisi"
"acs symposium ii" » "das symposium ii", "games symposium ii", "gauss symposium ii", "acs symposium iv", "acs symposium i", "acs symposium ismis"
"lakes symposium ii" » "lakes symposium iv", "lakes symposium i", "lakes symposium ismis"
"bacus symposium sas" » "bacus symposium sans", "bacus symposium sams"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"acs symposium iii\") OR (((\"acs symposium ii\") OR (\"lakes symposium ii\"))))) OR (\"bacus symposium sas\"))".
• Removing quotes may allow a broader search: (((( acs symposium iii ) OR ((( acs symposium ii ) OR ( lakes symposium ii ))))) OR ( bacus symposium sas )).
• Adding a wildcard symbol may retrieve word variants: (((("acs symposium iii") OR ((("acs symposium ii") OR ("lakes symposium ii"))))) OR ("bacus symposium sas"))*.