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

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