Perhaps you should try some spelling variations:
technology process » technology processing, technology projects, technology access
process innovation » product innovation
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
developpement la » developpement de, developpement et, developpement du
innovation die » innovation das, innovation ddi, innovation do
la afrique » l afrique, la fabrique, en afrique
die trade » die triade, rice trade, die trager
trade 4.1 » trade 2.2, trade 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology process innovation die trade 4.1 communication costs _ developpement la afrique.*.