Perhaps you should try some spelling variations:
"bacus symposium series" » "bacus symposium semi", "bacus symposium sas", "bacus symposium sss"
"acs symposium sieds" » "acs symposium sas", "acs symposium sss", "acs symposium semi", "das symposium sieds", "lakes symposium sieds", "gauss symposium sieds"
"games symposium sieds" » "games symposium sas", "games symposium sss", "games symposium semi", "lakes symposium sieds", "gauss symposium sieds", "das symposium sieds"
"acs symposium irs" » "das symposium irs", "lakes symposium irs", "gauss symposium irs", "acs symposium iv", "acs symposium i", "acs symposium iii"
"acs symposium ii" » "das symposium ii", "lakes symposium ii", "gauss symposium ii", "acs symposium iv", "acs symposium i", "acs 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 ("acs symposium ii"))) OR ((((("acs symposium sieds") OR ("games symposium sieds"))) OR ("bacus symposium series")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"acs symposium irs\") or (\"acs symposium ii\"))) or (((((\"acs symposium sieds\") OR (\"games symposium sieds\"))) or (\"bacus symposium series\"))))".
• Removing quotes may allow a broader search: (((( acs symposium irs ) or ( acs symposium ii ))) or ((((( acs symposium sieds ) OR ( games symposium sieds ))) or ( bacus symposium series )))).
• Adding a wildcard symbol may retrieve word variants: (((("acs symposium irs") or ("acs symposium ii"))) or ((((("acs symposium sieds") OR ("games symposium sieds"))) or ("bacus symposium series"))))*.