Perhaps you should try some spelling variations:
information center » information centers, information centre, information content
doe communication » de communication, vote communication, une communication
technologien des » technologien fur, technologien und, technologies 2
developing areas » developing asia, developing east, developing a
des information » des informations, does information, dis information
3.3 developing » 4 developing, 2 developing, 1 developing
areas arenas » areas trends, seas areas
center how » century how, better how, gender how
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
how doe » how does, how do, how deep

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 how doe communication costs 3.3 developing areas arenas.*.