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