Perhaps you should try some spelling variations:
"bacus symposium irs" » "bacus symposium i", "bacus symposium ii", "bacus symposium iii"
"bacus symposium iv" » "bacus symposium isvc"
"lakes symposium sas" » "lakes symposium sans", "lakes 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: (((("bacus symposium irs") OR ("bacus symposium iv"))) OR ("lakes symposium sas")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"bacus symposium irs\") OR (\"bacus symposium iv\"))) or (\"lakes symposium sas\"))".
• Removing quotes may allow a broader search: (((( bacus symposium irs ) OR ( bacus symposium iv ))) or ( lakes symposium sas )).
• Adding a wildcard symbol may retrieve word variants: (((("bacus symposium irs") OR ("bacus symposium iv"))) or ("lakes symposium sas"))*.