Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.3 communications » 3.1 communications, 3.3 communication, 2.3 communication
rate information » trade information, care information, age information
technology rate » technology state, technology role, technology related
amy development » key development, fly development, soy development
information a » information age, information about
development l » development li, development 1, development law
costs amy » costs a
l afrique » en afrique
rice 3.3 » rice 3.1, rice 2.1, rice 4.1
a rice » _ rice, a rich, 3 rice

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

• Adding a wildcard symbol may retrieve word variants: technology rate information a rice 3.3 communications costs amy development l afrique.*.