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