Perhaps you should try some spelling variations:
"das symposium series" » "das symposium semi", "das symposium sas", "das symposium sss", "das symposion series", "texas symposium series", "npss symposium series"
"lakes symposium series" » "lakes symposium semi", "lakes symposium sas", "lakes symposium sss"
"acs symposium sieds" » "acs symposium sas", "acs symposium sss", "acs symposium semi", "games symposium sieds", "gauss symposium sieds", "chaos symposium sieds"
"baus symposium irs" » "gauss symposium irs", "brass symposium irs", "birs symposium irs", "baus symposium iv", "baus symposium i", "baus symposium iii"
"bacus symposium irs" » "bacus symposium iv", "bacus symposium i", "bacus symposium iii", "abacus symposium irs", "backs symposium irs", "bachs symposium irs"
"acs symposium ii" » "games symposium ii", "gauss symposium ii", "chaos 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: (((((("bacus symposium irs") OR ("baus symposium irs"))) OR ("acs symposium ii"))) OR ((("acs symposium sieds") OR ((("das symposium series") OR ("lakes symposium series")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"bacus symposium irs\") OR (\"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: (((((( bacus symposium irs ) OR ( 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: (((((("bacus symposium irs") OR ("baus symposium irs"))) or ("acs symposium ii"))) or ((("acs symposium sieds") or ((("das symposium series") or ("lakes symposium series"))))))*.