Perhaps you should try some spelling variations:
"industrial development policies sources" » "industrial development policy sources", "industrial development projects sources", "industrial development policies survey", "industrial development policies discourses", "industrial development policies policies"
"initial government policies series" » "initial government policy series", "digital government policies series", "partial government policies series", "ministerial government policies series", "initial government politics series"

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: (("initial government policies series") or ("industrial development policies sources"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("initial government policies series") OR ("industrial development policies sources")).
• Removing quotes may allow a broader search: (( initial government policies series ) or ( industrial development policies sources )).
• Adding a wildcard symbol may retrieve word variants: (("initial government policies series") or ("industrial development policies sources"))*.