Perhaps you should try some spelling variations:
"acs symposium sieds" » "acs symposium series", "acs symposium sas", "acs symposium sss", "bacus symposium sieds", "games symposium sieds", "gauss symposium sieds"
"lakes symposium ii" » "bacus symposium ii", "lakes symposium i", "lakes symposium ismis", "lakes symposium isvc"
"acs symposium iv" » "bacus symposium iv", "games symposium iv", "gauss symposium iv", "acs symposium isvc"
"acs symposium ii" » "bacus symposium ii", "games symposium ii", "gauss symposium ii", "acs symposium i", "acs symposium ismis", "acs symposium isvc"
"das symposium ii" » "das symposion ii", "bacus symposium ii", "texas symposium ii", "das symposium i", "das symposium ismis", "das symposium isvc"

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