Perhaps you should try some spelling variations:
dna developpement » de developpement, du developpement, en developpement
make information » more information, care information, age information
cooperation cost » cooperation case, cooperation across, cooperation et
developpement en » developpement et, developpement des, developpement de
technology make » technology market, technology mara, technology more
formal sector » informal sector, informal sectors, social sector
cost dna » cost data, cost a, cost dam

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

• Adding a wildcard symbol may retrieve word variants: technology make information _ formal sector cooperation cost dna developpement en afrique.*.