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

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