Perhaps you should try some spelling variations:
"abacus symposium sss" » "aaas symposium sss", "spaces symposium sss", "lakes symposium sss"
"acs symposium semi" » "das symposium semi", "lakes symposium semi", "games symposium semi"
"bacus symposium sas" » "bacus symposium sans", "bacus 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: (("abacus symposium sss") OR ((("acs symposium semi") OR ((("bacus symposium sagt") OR ("bacus symposium sas")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"abacus symposium sss\") or (((\"acs symposium semi\") or (((\"bacus symposium sagt\") OR (\"bacus symposium sas\"))))))".
• Removing quotes may allow a broader search: (( abacus symposium sss ) or ((( acs symposium semi ) or ((( bacus symposium sagt ) OR ( bacus symposium sas )))))).
• Adding a wildcard symbol may retrieve word variants: (("abacus symposium sss") or ((("acs symposium semi") or ((("bacus symposium sagt") OR ("bacus symposium sas"))))))*.