Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
des developpements » deux developpements, de developpement, et developpements
developpements der » developpements de, developpement des, developpement de
technologies 1.2 » technologies 3.2, technologies 1.4, technologies 1.3
1.2 formation » 1 formation, de formation, en formation
formation act » information act, formation et, formation age
barriere des » barrieren des, karriere des, barriere der
der farce » der face, der farben, der farmen

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

• Adding a wildcard symbol may retrieve word variants: technologies 1.2 formation act does _ communication barriere des developpements der farce.*.