Perhaps you should try some spelling variations:
guo communication » eu communication, ngo communication, de communication
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
9.4 developing » 19.4 developing, 5.4 developing, 6.4 developing
developing em » developing e, developing eq, developing amp
contents he » contents je, contents head, contents how
costs 9.4 » costs 4.4, costs 6.4, costs 2.4
em africa » 1 africa
he guo » he zuo, shen guo

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information contents he guo communication costs 9.4 developing em africa.*.