Perhaps you should try some spelling variations:
technology process » technology processing, technology projects, technology access
process innovation » product innovation
3.2 communication » 3 communication, 2.3 communication, de communication
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
innovation 3 » innovation 1, innovation 4
de afrique » de l'afrique, en afrique, l afrique
trade 3.2 » trade 2.2, trade 2, trade 4.1
3 trade » 1 trade, 4 trade, 2 trade
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology process innovation 3 trade 3.2 communication costs 4 developpement de afrique.*.