Perhaps you should try some spelling variations:
"_ development projects." » "_ development policy."
"mine development studies." » "mine development series.", "mine development services.", "mine development strategies.", "sme development studies.", "trade development studies.", "business development studies.", "minsme development studies.", "minsite development studies.", "mintrade development studies."
"e development africa." » "sme development africa.", "site development africa.", "trade development africa."

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

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