Perhaps you should try some spelling variations:
1.5 communication » 3.5 communication, 1.1 communication, 1.3 communication
developing dress » developing areas, developing cross, developing forest
information u.s » information und, information use, information 1.2
technologie c » technologies 2, technologies 3, technologies 1
c information » 2 information, 1 information, 10 information
4 developing » 3 developing
dress africa » areas africa, does africa, darkest africa
u.s debate » u.s senate, 2.1 debate, 3.4 debate
debate 1.5 » debatte 1.5, debate 1.4, debate 1.6
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: technologie c information u.s debate 1.5 communication costs 4 developing dress africa.*.