Perhaps you should try some spelling variations:
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
technology price » technology rich, technology voice, technology service
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
inflation farm » inflation from, inflation part, inflation rate
prices 1.1 » prices 2.1, prices 3.1, prices 2.4
de afrique » de l'afrique, en afrique, l afrique
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 price inflation farm prices 1.1 communication costs a developpement de afrique.*.