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