Perhaps you should try some spelling variations:
"das symposium sieds" » "das symposium series", "das symposium sss", "das symposium semi", "das symposion sieds", "texas symposium sieds", "lakes symposium sieds"
"bacus symposium sieds" » "bacus symposium series", "bacus symposium sss", "bacus symposium semi"
"bacus symposium sams" » "bacus symposium rams", "bacus symposium ams", "bacus symposium wams"
"acs symposium ies" » "lakes symposium ies", "games symposium ies", "gauss symposium ies", "acs symposium irs", "acs symposium ius", "acs symposium iws"
"bacus symposium sas" » "bacus symposium sans"

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