Perhaps you should try some spelling variations:
"abacus symposium series" » "acs symposium series", "aaas symposium series", "spaces symposium series", "abacus symposium semi", "abacus symposium sas", "abacus symposium ssbse"
"abacus symposium spire" » "acs symposium spire", "aaas symposium spire", "spaces symposium spire"
"bacus symposium sss" » "bacus 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: (((("abacus symposium series") OR ("abacus symposium spire"))) OR ("bacus symposium sss")).
• Removing quotes may allow a broader search: (((( abacus symposium series ) or ( abacus symposium spire ))) or ( bacus symposium sss )).
• Adding a wildcard symbol may retrieve word variants: (((("abacus symposium series") or ("abacus symposium spire"))) or ("bacus symposium sss"))*.