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