Perhaps you should try some spelling variations:
technological barriers » technical barriers, psychological barriers, technological factors
barriers information » careers information, series information, fairs information
information befunde » information before, information beyond, information und
ante communication » parte communication, une communication, vote communication
4 developing » 3 developing
befunde ex » befunde der, befunde zu, befunde _
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technological barriers information befunde ex ante communication costs 4 developing _ areas.*.