Perhaps you should try some spelling variations:
warte communications » wartime communications, partie communications, parte communication
communications costs » communication costs, communications _
technologies energy » technologies general, technology energy, technologies any
information 2.3 » information 12.3, information 1.3, information 2.2
4 development » 2 development, 4 developing
und warte » und werte, und arte, und garten
2.3 und » 2.3 un, 2.3 une, 2.3 unit
costs 4 » costs _, costs a, costs 4.2
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: technologies energy information 2.3 und warte communications costs 4 development a areas.*.