Perhaps you should try some spelling variations:
"bacus symposium semi" » "bacus symposium sss", "bacus symposium sagt"
"acs symposium ius" » "games symposium ius", "gauss symposium ius", "chaos symposium ius", "acs symposium irs", "acs symposium iws", "acs symposium irps"
"lakes symposium ius" » "lakes symposium irs", "lakes symposium iws", "lakes symposium irps"
"das symposium sas" » "das symposion sas", "texas symposium sas", "npss symposium sas", "das symposium sans", "das symposium sams"

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