Perhaps you should try some spelling variations:
"acs symposium series" » "acs symposium semi", "acs symposium sss", "acs symposium spire", "bacus symposium series", "lakes symposium series", "games symposium series"
"acs symposium isvc" » "acs symposium isaac", "bacus symposium isvc", "lakes symposium isvc", "games symposium isvc"
"acs symposium iv" » "bacus symposium iv", "lakes symposium iv", "games symposium iv"
"acs symposium sas" » "bacus symposium sas", "lakes symposium sas", "games symposium sas", "acs symposium sans", "acs symposium sams"
"das symposium iv" » "das symposion iv", "bacus symposium iv", "texas symposium iv"

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