Perhaps you should try some spelling variations:
"abacus symposium series" » "acs symposium series", "spaces symposium series", "lakes symposium series", "abacus symposium semi", "abacus symposium sas", "abacus symposium spire"
"abacus symposium sss" » "acs symposium sss", "spaces symposium sss", "lakes symposium sss", "abacus symposium sas"
"aaas symposium sss" » "das symposium sss", "acs symposium sss", "cas symposium sss", "aaas symposium sas"
"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 sss") OR ("bacus symposium sss"))) OR ("aaas symposium sss")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"abacus symposium series\") or (((((\"abacus symposium sss\") OR (\"bacus symposium sss\"))) or (\"aaas symposium sss\"))))".
• Removing quotes may allow a broader search: (( abacus symposium series ) or ((((( abacus symposium sss ) OR ( bacus symposium sss ))) or ( aaas symposium sss )))).
• Adding a wildcard symbol may retrieve word variants: (("abacus symposium series") or ((((("abacus symposium sss") OR ("bacus symposium sss"))) or ("aaas symposium sss"))))*.