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

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