Perhaps you should try some spelling variations:
"acs symposium series" » "acs symposium semi", "acs symposium sas", "acs symposium sss", "das symposium series", "lakes symposium series", "games symposium series"
"backs symposium i" » "spaces symposium i", "lakes symposium i", "bibos symposium i", "backs symposium iv", "backs symposium isvc"
"acs symposium ismis" » "acs symposium isaac", "acs symposium isvc", "das symposium ismis", "lakes symposium ismis", "games symposium ismis", "acs symposium ivsmis", "acs symposium isvcsmis"
"acs symposium ii" » "das symposium ii", "lakes symposium ii", "games symposium ii", "acs symposium iv", "acs symposium isvc", "acs symposium ieee", "acs symposium ivi", "acs symposium isvci"
"bacus symposium i" » "bacus symposium iv", "bacus symposium isvc", "abacus symposium i", "baus symposium i", "bachs symposium i"

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