Perhaps you should try some spelling variations:
"lakes symposium irs" » "bacus symposium irs", "lakes symposium iv", "lakes symposium i", "lakes symposium iii"
"acs symposium sieds" » "acs symposium series", "acs symposium sas", "acs symposium sss", "bacus symposium sieds", "games symposium sieds", "gauss symposium sieds"
"das symposium sieds" » "das symposium series", "das symposium sas", "das symposium sss", "das symposion sieds", "bacus symposium sieds", "texas symposium sieds"
"acs symposium ii" » "bacus symposium ii", "games symposium ii", "gauss symposium ii", "acs symposium iv", "acs symposium i", "acs symposium ismis"

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: "((((\"lakes symposium irs\") OR (\"acs symposium ii\"))) OR (((\"acs symposium sieds\") OR (\"das symposium sieds\"))))".
• Removing quotes may allow a broader search: (((( lakes symposium irs ) OR ( acs symposium ii ))) OR ((( acs symposium sieds ) OR ( das symposium sieds )))).
• Adding a wildcard symbol may retrieve word variants: (((("lakes symposium irs") OR ("acs symposium ii"))) OR ((("acs symposium sieds") OR ("das symposium sieds"))))*.