Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
clean development » human development, urban development
information 2 » information 3
development l » development li, development 1, development law
technology 2 » technology _, technology 1, technology 3
l afrique » en afrique
rice 3.2 » price 3.2, rice 3.1, rice 3.3
2 rice » _ rice, 3 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 2 information 2 rice 3.2 communication _ clean development l afrique.*.