Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
7.2 communications » 4.2 communications, 3.2 communication, 6.2 communication
a information » 2 information, 1 information
information 3 » information 2
technology a » technology 1, technology 3, technology 4
1 afrique » l afrique, en afrique, 1 enrique
rice 7.2 » rice 3.2, rice 7.1, rice 8.2
costs a » costs _, costs 4
3 rice » _ rice, a rice

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

• Adding a wildcard symbol may retrieve word variants: technology a information 3 rice 7.2 communications costs a development 1 afrique.*.