Perhaps you should try some spelling variations:
4.4 communication » 5.4 communication, 4.1 communication, 1.4 communication
der developpement » de developpement, des developpements, leur developpement
developpement der » developpement des, developpement de, developpement et
innovation space » innovation impact, innovation science, innovation sources
communication 13 » communication 1.3, communication 3, communication 1
space space » space place, place space, space race
space 4.4 » space 4.3, space 4.1, space 4.2
der farce » der face, der farben, der farmen
13 der » 1.3 der

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

• Adding a wildcard symbol may retrieve word variants: technology _ innovation space space 4.4 communication 13 der developpement der farce.*.