Perhaps you should try some spelling variations:
do communication » do communications, de communication, ngo communication
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
developing 4 » developing _, developing a, developing e
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
4 areas » 1 areas, 2 areas, 4 areal
3 aimd » 3 aims, 3 aim, _ aimd
3 aid » _ aid, 3 aim, 3 add

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 dis information ((3 aid) OR (3 aimd)) do communication costs 4.1 developing 4 areas.~".
• Adding a wildcard symbol may retrieve word variants: technologien dis information ((3 aid) OR (3 aimd)) do communication costs 4.1 developing 4 areas.*.