Perhaps you should try some spelling variations:
"_ development agencies." » "_ development policies."
"sme development studies." » "sme development services.", "sme development strategies.", "sme development strategy."
"trade development series." » "trade development services.", "trade development strategies.", "trade development strategy.", "software development series."

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

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