Perhaps you should try some spelling variations:
technologien system » technological system, technology system, technological systems
system information » systems information, system formation, systeme d'information
information costs » information contents, information centers, information content
des communication » les communications, nets communication, c's communication
2.2 development » 3.2 development, 2.3 development, 4.2 development
costs des » costs fees
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
des des » des deas, des dem, des der
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien system information costs des des communication costs 2.2 development a areas.*.