Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
peru communications » paper communications, cell communications, eu communication
der transformation » die transformation, zur transformation, energy transformation
transformation 2.3 » transformations 2.3, transformation 2.1, transformation 2.4
technologies der » technologies de, technologie der, technologies under
developing rural » developing real, development rural, developing halal
4 developing » 3 developing
rural africa » rural area
2.3 now » 2.3 new, 2.3 non, 23 now
costs 4 » costs _, costs a, costs 4.2

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies der transformation 2.3 now peru communications costs 4 developing rural africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies der transformation 2.3 now peru communications costs 4 developing rural africa.*.