Perhaps you should try some spelling variations:
"challenges facing _ political development." » "challenges facing _ physical development.", "challenges facing _ social development.", "challenges facing _ local development."
"challenges faced non policy development." » "challenges faced union policy development.", "challenges faced down policy development.", "challenges faced loan policy development.", "challenges facies non policy development.", "challenges based non policy development."

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("challenges facing _ political development.") or ("challenges faced non policy development."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("challenges facing _ political development.") OR ("challenges faced non policy development.")).
• Removing quotes may allow a broader search: (( challenges facing _ political development. ) or ( challenges faced non policy development. )).
• Adding a wildcard symbol may retrieve word variants: (("challenges facing _ political development.") or ("challenges faced non policy development."))*.