Perhaps you should try some spelling variations:
"abacus symposium series" » "bacus symposium series", "acs symposium series", "aaas symposium series", "abacus symposium semi", "abacus symposium sas", "abacus symposium spire"
"abacus symposium sss" » "bacus symposium sss", "acs symposium sss", "aaas symposium sss", "abacus symposium sas"
"texas symposium series" » "texas symposium semi", "texas symposium sas", "texas symposium spire", "texts symposium series"

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 ("texas symposium series")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"abacus symposium series\") OR (\"abacus symposium sss\"))) or (\"texas symposium series\"))".
• Removing quotes may allow a broader search: (((( abacus symposium series ) OR ( abacus symposium sss ))) or ( texas symposium series )).
• Adding a wildcard symbol may retrieve word variants: (((("abacus symposium series") OR ("abacus symposium sss"))) or ("texas symposium series"))*.