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