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