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

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 sss") OR ((("acs symposium series") OR ("acs symposium semi")))).
• Removing quotes may allow a broader search: (( bacus symposium sss ) or ((( acs symposium series ) or ( acs symposium semi )))).
• Adding a wildcard symbol may retrieve word variants: (("bacus symposium sss") or ((("acs symposium series") or ("acs symposium semi"))))*.