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

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