Perhaps you should try some spelling variations:
information centers » information contents, information officers
oral communication » personal communication
technologies co » technologies _, technologies 4, technologies 2
developing west » developing tests, developing waste, developing east
co information » do information, 2 information, 1 information
20 developing » 2 developing, 10 developing, 24 developing
centers kiel » centers help, centers ihc, centers real
kiel oral » kiel moral
costs 20 » costs 60, costs 2.3, costs 2.1

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

• Adding a wildcard symbol may retrieve word variants: technologies co information centers kiel oral communication costs 20 developing west africa.*.