Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology private » technology preface, technology rate, technology related
2.7 communications » 2.7 communication, 2 communications, 3.1 communications
developpement du » developpement de, developpement des, developpement et
e developpement » de developpement, le developpement, et developpement
information 1 » information 2, information 3, information 3.2
du afrique » en afrique, l afrique, de l'afrique
rice 2.7 » rice 2.1, rice 2.5, rice 2.6
costs e » costs _, costs 4, costs a
1 rice » 11 rice, 14 rice, _ rice

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

• Adding a wildcard symbol may retrieve word variants: technology private information 1 rice 2.7 communications costs e developpement du afrique.*.