Perhaps you should try some spelling variations:
"acs symposium series" » "acs symposium semi", "acs symposium sss", "acs symposium spire", "bacus symposium series", "das symposium series", "lakes symposium series"
"acs symposium sieds" » "acs symposium sss", "acs symposium semi", "acs symposium ssd", "bacus symposium sieds", "das symposium sieds", "lakes symposium sieds"
"ACS symposium sams" » "ACS symposium rams", "ACS symposium ams", "ACS symposium wams"
"ACS symposium sas" » "ACS symposium sans"

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