Perhaps you should try some spelling variations:
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
de communication » mobile communication, online communication
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
developing 4 » developing _, developing a, developing e
costs 4.4 » costs 4.2
4 areas » 1 areas, 2 areas, 4 areal
1 des » 1 der, a des, 3 des

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 aids information ((1 des) OR (1 das)) de communication costs 4.4 developing 4 areas.~".
• Adding a wildcard symbol may retrieve word variants: technologien aids information ((1 des) OR (1 das)) de communication costs 4.4 developing 4 areas.*.