Perhaps you should try some spelling variations:
en developpement » et developpement, de developpement, le developpement
developpement il » developpement de, developpement et, developpement du
parks infection » virus infection, early infection, pain infection
infection rates » inflation rates
rates spaces » places spaces, papers spaces, spaces spaces
efforts en » efforts dean, efforts _, efforts 18
il afrique » l afrique, en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology parks infection rates spaces _ communication efforts en developpement il afrique.*.