Perhaps you should try some spelling variations:
informational gaps » information gaps, information gap, informational _
data communication » data communications
communication cost » communication costs, communication costa, communications costs
und informational » und information, und informationen, und informationelle
technologie und » technologies 2.1
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
cost 3.2 » cost 2.4
gaps 4b » gaps 4, gaps 4.2, gaps 4.5
4b data » b data, cmb data, kib data

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

• Adding a wildcard symbol may retrieve word variants: technologie und informational gaps 4b data communication cost 3.2 developing _ areas.*.