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