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"
"acs symposium ii" » "games symposium ii", "gauss symposium ii", "chaos symposium ii", "acs symposium iv", "acs symposium ismis", "acs symposium isvc", "acs symposium ivi", "acs symposium isvci"
"das symposium sas" » "das symposion sas", "texas symposium sas", "npss symposium sas", "das symposium sans", "das symposium sams"
"bacus symposium i" » "bacus symposium iv", "bacus symposium isvc", "abacus symposium i", "backs symposium i", "baus symposium i"

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 i") OR ("acs symposium ii"))) OR ((("acs symposium sieds") OR ((("das symposium sas") OR ("lakes symposium series")))))).
• Removing quotes may allow a broader search: (((( bacus symposium i ) or ( acs symposium ii ))) or ((( acs symposium sieds ) or ((( das symposium sas ) or ( lakes symposium series )))))).
• Adding a wildcard symbol may retrieve word variants: (((("bacus symposium i") or ("acs symposium ii"))) or ((("acs symposium sieds") or ((("das symposium sas") or ("lakes symposium series"))))))*.