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

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 ("bacus symposium semi"))) OR ("aaas symposium sas")))).
• Removing quotes may allow a broader search: (( abacus symposium series ) or ((((( abacus symposium semi ) or ( bacus symposium semi ))) or ( aaas symposium sas )))).
• Adding a wildcard symbol may retrieve word variants: (("abacus symposium series") or ((((("abacus symposium semi") or ("bacus symposium semi"))) or ("aaas symposium sas"))))*.