Perhaps you should try some spelling variations:
"bacus symposium series" » "bacus symposium semi", "bacus symposium sas", "bacus symposium sss", "abacus symposium series", "backs symposium series", "baus symposium series"
"lakes symposium series" » "lakes symposium semi", "lakes symposium sas", "lakes symposium sss"
"das symposium series" » "das symposium semi", "das symposium sas", "das symposium sss", "das symposion series", "texas symposium series", "npss symposium series"

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 ((("lakes symposium series") OR ("das symposium series"))))*.
• Removing quotes may allow a broader search: (( bacus symposium series ) or ((( lakes symposium series ) or ( das symposium series ))))*.