Perhaps you should try some spelling variations:
"lakes symposium sieds" » "lakes symposium series", "lakes symposium sas", "lakes symposium sss"
"acs symposium irs" » "das symposium irs", "games symposium irs", "gauss symposium irs", "acs symposium i", "acs symposium iii", "acs symposium ida"
"acs symposium ii" » "das symposium ii", "games symposium ii", "gauss symposium ii", "acs symposium i", "acs symposium ismis", "acs symposium isvc"
"acs symposium iv" » "das symposium iv", "games symposium iv", "gauss symposium iv", "acs symposium isvc"
"bacus symposium ii" » "bacus symposium i", "bacus symposium ismis", "bacus 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 irs") OR ((((("acs symposium ii") OR ("bacus symposium ii"))) OR ("acs symposium iv"))))) OR ("lakes symposium sieds")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"acs symposium irs\") or (((((\"acs symposium ii\") OR (\"bacus symposium ii\"))) or (\"acs symposium iv\"))))) or (\"lakes symposium sieds\"))".
• Removing quotes may allow a broader search: (((( acs symposium irs ) or ((((( acs symposium ii ) OR ( bacus symposium ii ))) or ( acs symposium iv ))))) or ( lakes symposium sieds )).
• Adding a wildcard symbol may retrieve word variants: (((("acs symposium irs") or ((((("acs symposium ii") OR ("bacus symposium ii"))) or ("acs symposium iv"))))) or ("lakes symposium sieds"))*.