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