Perhaps you should try some spelling variations:
"bacus symposium series" » "bacus symposium sas", "bacus symposium sss", "bacus symposium spire", "abacus symposium series", "backs symposium series", "baus symposium series"
"acs symposium series" » "acs symposium sas", "acs symposium sss", "acs symposium spire", "das symposium series", "lakes symposium series", "games symposium series"
"acs symposium semi" » "acs symposium sas", "acs symposium sss", "acs symposium sagt", "das symposium semi", "lakes symposium semi", "games symposium semi"

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