Perhaps you should try some spelling variations:
"abacus symposium series" » "bacus symposium series", "aaas symposium series", "spaces symposium series", "abacus symposium sas", "abacus symposium sss", "abacus symposium spire"
"acs symposium semi" » "acs symposium sas", "acs symposium sss", "bacus symposium semi", "lakes symposium semi", "games symposium semi"
"das symposium semi" » "das symposium sas", "das symposium sss", "das symposion semi", "bacus symposium semi", "texas symposium semi"
"acs symposium sagt" » "acs symposium sas", "acs symposium sss", "bacus symposium sagt", "lakes symposium sagt", "games symposium sagt"

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: (("abacus symposium series") OR ((((("acs symposium semi") OR ("das symposium semi"))) OR ("acs symposium sagt")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"abacus symposium series\") or (((((\"acs symposium semi\") OR (\"das symposium semi\"))) or (\"acs symposium sagt\"))))".
• Removing quotes may allow a broader search: (( abacus symposium series ) or ((((( acs symposium semi ) OR ( das symposium semi ))) or ( acs symposium sagt )))).
• Adding a wildcard symbol may retrieve word variants: (("abacus symposium series") or ((((("acs symposium semi") OR ("das symposium semi"))) or ("acs symposium sagt"))))*.