Perhaps you should try some spelling variations:
development farmer » development former, development further, development forced
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
information laws » information law
20 development » 2 development, 2015 development, 2007 development
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
farmer erica » farmers africa
laws decade » last decade, latest decade, basis decade
decade 2.1 » decades 2.1, decade 4.1, decade 2001
costs 20 » costs 60, costs 2.3, costs 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information laws decade 2.1 communication costs 20 development farmer erica.*.