Perhaps you should try some spelling variations:
"das symposium series" » "das symposium semi", "das symposium sas", "das symposium spire", "das symposion series", "bacus symposium series", "texas symposium series"
"lakes symposium irs" » "bacus symposium irs", "lakes symposium iv", "lakes symposium i", "lakes symposium ii"
"acs symposium ismis" » "acs symposium isaac", "acs symposium isvc", "bacus symposium ismis", "gauss symposium ismis", "chaos symposium ismis"
"games symposium sieds" » "gauss symposium sieds", "bacus symposium sieds", "cities symposium sieds", "games symposium sas", "games symposium semi", "games symposium ssd"
"das symposium sss" » "das symposion sss", "bacus symposium sss", "texas symposium sss", "das 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 ("acs symposium ismis"))) OR ((("games symposium sieds") OR ((("das symposium series") OR ("das symposium sss")))))).
• Removing quotes may allow a broader search: (((( lakes symposium irs ) or ( acs symposium ismis ))) or ((( games symposium sieds ) or ((( das symposium series ) or ( das symposium sss )))))).
• Adding a wildcard symbol may retrieve word variants: (((("lakes symposium irs") or ("acs symposium ismis"))) or ((("games symposium sieds") or ((("das symposium series") or ("das symposium sss"))))))*.