Perhaps you should try some spelling variations:
9.4.1 communication » 3.4.1 communication, 11.4.1 communication, 3.4.2 communication
developpement von » developpement en, developpement dans, developpement sans
de developpement » sme development
twitter 9.4.1 » twitter 9.4.2, twitter 9.4.6, twitter 3.1.1
technology 3 » technology _, technology 1, technology 4
von fabriken » der fabriken, c fabriken, die fabriken
3 inflation » _ inflation, 2 inflation, 6 inflation
inflation b » inflation _, inflation a, inflation 1
b twitter » _ twitter, 1 twitter, 2 twitter
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology 3 inflation b twitter 9.4.1 communication costs de developpement von fabriken.*.