Perhaps you should try some spelling variations:
development sectors » development sector, development actors, development section
chain development » clean development, carbon development, human development
de communication » mobile communication, online communication
sectors africa » centers africa, secure africa
creation rate » creation rates, creation a
costs chain » costs china, costs chap, pots chain
rate afr » rate cfr, rate after, rate a
afr de » air de

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

• Adding a wildcard symbol may retrieve word variants: technology _ creation rate afr de communication costs chain development sectors africa.*.