Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
technologies 2.2 » technologies 2.1, technologies 3.2, technologies 2.4
2.2 information » 4.2 information, 2.2.3 information, 2.2 transformation
information und » informations und
developing good » developing global
good accessed » food access, who accessed
4 developing » 3 developing
2 mobile » _ mobile, a mobile
costs 4 » costs _, costs a, costs 4.2
und 2 » und 20, und 21, und _

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.2 information und 2 mobile communications costs 4 developing good accessed.*.