Perhaps you should try some spelling variations:
"_ development series." » "_ development services.", "_ development agencies.", "_ development strategies."
"clean development africa." » "human development africa.", "urban development africa.", "child development africa."
"e development strategy." » "a development strategy.", "sme development strategy.", "mine development strategy."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("_ development series.") or ("e development strategy."))) or ("clean development africa."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("_ development series.") OR ("e development strategy."))) OR ("clean development africa."))*.
• Removing quotes may allow a broader search: (((( _ development series. ) or ( e development strategy. ))) or ( clean development africa. ))*.