Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
weak communications » cell communications, chad communications, guam communications
information center » information centers, information centre, information content
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing asia » development asia, developing a
3.3 developing » 4 developing, 2 developing, 1 developing
asia africa » cpia africa, china africa
center do » center dpc, center how, center _
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
do weak » go weak, does weak, did weak

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

• Adding a wildcard symbol may retrieve word variants: technologien des information center do weak communications costs 3.3 developing asia africa.*.