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"
"texas symposium series" » "texas symposium semi", "texas symposium sas", "texas symposium spire", "texts symposium series"
"texas symposium sss" » "texas symposium sas", "texts symposium sss"

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