Perhaps you should try some spelling variations:
u.s communications » 3.1 communications, les communications, nps communications
technologien als » technologien des, technologien fur, technologien und
information case » information based, information can, information costs
als information » als informations, aids information, laws information
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing 2 » developing _, developing a, developing e
case des » cases des, case das, phase des
des u.s » des us, der u.s
2 areas » 1 areas, 2 areal, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien als information case des u.s communications _ 2.3 developing 2 areas.*.