Perhaps you should try some spelling variations:
"asian development projects." » "asian development policy.", "human development projects.", "urban development projects.", "clean development projects."
"_ development studies." » "_ development series.", "_ development services.", "_ development strategies."
"a development africa." » "clean development africa.", "city 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: (((("_ development studies.") or ("a development africa."))) or ("asian development projects."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("_ development studies.") OR ("a development africa."))) OR ("asian development projects."))*.
• Removing quotes may allow a broader search: (((( _ development studies. ) or ( a development africa. ))) or ( asian development projects. ))*.