Perhaps you should try some spelling variations:
technologien fur » technologien des, technologien und, technologies 2
fur information » zur information, fair information, your information
4 communication » 3 communication, 5.4 communication, de communication
developing a » developing _
case dm » case d, case d2, case d3
case d1 » case 1, case d, case 11
a areas » 1 areas, 2 areas, 4 areas

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologien fur information ((case dm) OR (case d1)) 4 communication costs _ developing a areas.~".
• Adding a wildcard symbol may retrieve word variants: technologien fur information ((case dm) OR (case d1)) 4 communication costs _ developing a areas.*.