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