Perhaps you should try some spelling variations:
"world federation bibliography resources" » "world education bibliography resources", "world preservation bibliography resources", "world alterations bibliography resources", "world federation bibliography references"
"road reformation biography series" » "road information bibliography series", "road information biography series", "god reformation biography series", "real reformation biography series", "road reformation biography pericles", "road reformation biography sermons", "road reformation biography studies"

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: (("road reformation biography series") OR ((("world federation biography sources") OR ("world federation bibliography resources")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"road reformation biography series\") or (((\"world federation biography sources\") OR (\"world federation bibliography resources\"))))".
• Removing quotes may allow a broader search: (( road reformation biography series ) or ((( world federation biography sources ) OR ( world federation bibliography resources )))).
• Adding a wildcard symbol may retrieve word variants: (("road reformation biography series") or ((("world federation biography sources") OR ("world federation bibliography resources"))))*.