Perhaps you should try some spelling variations:
communication 3.3 » communication _, communication a, communication 1
1.3 communication » 2.3 communication, 13 communication, 4.3 communication
crop development » 2 development
inflation rates » inflation rate
technology use » technology 1, technology 2.2, technology 3
development en » developpement en, development menu, development eco
use inflation » push inflation, und inflation, die inflation
rates spaces » places spaces, papers spaces, spaces spaces
spaces 1.3 » spaces 11.3, spaces 12.3, spaces 13.3
3.3 crop » 1.3 crop, 3.2 crop, 3.4 crop

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

• Adding a wildcard symbol may retrieve word variants: technology use inflation rates spaces 1.3 communication 3.3 crop development en afrique.*.