Perhaps you should try some spelling variations:
"lakes symposium series" » "lakes symposium semi", "lakes symposium sss", "lakes symposium spire"
"acs symposium sieds" » "acs symposium sss", "acs symposium semi", "acs symposium ssd", "games symposium sieds", "gauss symposium sieds", "chaos symposium sieds"
"bacus symposium irs" » "bacus symposium iv", "bacus symposium i", "bacus symposium iii", "abacus symposium irs", "backs symposium irs", "baus symposium irs"
"acs symposium ii" » "games symposium ii", "gauss symposium ii", "chaos symposium ii", "acs symposium iv", "acs symposium i", "acs symposium ismis"
"das symposium sas" » "texas symposium sas", "npss symposium sas"
"das symposion sas" » "das symposion am", "das symposion des", "das symposion aus"

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