Perhaps you should try some spelling variations:
information century » information centers, information centre, information center
oral communication » personal communication
technologien cost » technologien ist, technologien des, technologies co
cost information » postal information, about information, asset information
century lived » century lever, century life, century land
4 developing » 3 developing
developing e » developing _, developing a, developing east
lived oral » derived oral
e africa » em africa, de africa, eu africa
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: technologien cost information century lived oral communication costs 4 developing e africa.*.