Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
why communication » de communication, 3 communication, 4 communication
developing farmer » developing after, developing forms, developing rme
technologies 4 » technologies _
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
4 information » 2 information, 1 information
contents neue » contents note, contents new, contents neural
farmer erica » farmers africa
neue why » neue wohn
cost 3.2 » cost 2.4

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information contents neue why communication cost 3.2 developing farmer erica.*.