Perhaps you should try some spelling variations:
technologies key » technologies any, technologies know, technologies _
de communication » mobile communication, online communication
key information » energy information
development aid » development a, development africa, development agenda
4.2 threats » 4.4 threats, 5.2 threats, 2.2 threats
aid african » aid africa's, all african, six african
threats de » threats new, threats key, threats men
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologies key information 4.2 threats de communication costs a development aid african.*.