Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologien und » technologie und, technologien des, technologien fur
developing waste » developing east, developing water, developing eastern
und information » fund information, road information, award information
information can » information case, information 1, information 1.2
waste accessed » last accessed, websites accessed
4 developing » 3 developing
de data » e data, wide data, de datos
costs 4 » costs _, costs a, costs 4.2
can de » can do, can code, can deal

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

• Adding a wildcard symbol may retrieve word variants: technologien und information can de data communications costs 4 developing waste accessed.*.