Perhaps you should try some spelling variations:
interaction matters » interaction patterns, interaction partners, interacting matter
developpement il » developpement de, developpement et, developpement du
3.1 interaction » 3.2 interaction, 3 interaction, 2 interaction
4 communication » 3 communication, 5.4 communication, de communication
4 developpement » de developpement, le developpement, et developpement
technology 3.1 » technology 1, technology 2.2, technology _
matters trade » matter trade, charters trade, members trade
il afrique » l afrique, en afrique
trade 4 » trade _, trade a
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 3.1 interaction matters trade 4 communication costs 4 developpement il afrique.*.