Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
information rules » information bundles, information tussles, information tables
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
technology 1 » technology _
de afrique » de l'afrique, en afrique, l afrique
trade 3.1 » trade 3.2, trade 4.1, trade 2.1
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information rules trade 3.1 communications costs a developpement de afrique.*.