Perhaps you should try some spelling variations:
developing rates » developing states, developing water, developing cities
de communication » mobile communication, online communication
information war » information what, information wants, information when
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
4 developing » 3 developing
rates africa » state africa
war debt » card debt, bad debt, war der
debt de » debt do, debt debt, debt gdp
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information war debt de communication costs 4 developing rates africa.*.