Perhaps you should try some spelling variations:
"christian history unix" » "christianity history unix", "christ history unix", "christian directory unix", "christian history until", "christian history und", "christian history united"
"christian oratory union" » "christian directory union", "christian morality union", "christian monitor union", "christian operators union", "christian oratory united", "christian oratory under"

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: (("christian history unix") OR ("christian oratory union")).
• Removing quotes may allow a broader search: (( christian history unix ) or ( christian oratory union )).
• Adding a wildcard symbol may retrieve word variants: (("christian history unix") or ("christian oratory union"))*.