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

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