Perhaps you should try some spelling variations:
innovation sources » information sources, innovation series, innovation surveys
developpement der » developpement des, developpement de, developpement et
de developpement » sme development
4 communication » 3 communication, 5.4 communication, de communication
sources series » resources series
technology 3 » technology _, technology 1, technology 4
3 innovation » 2 innovation
der farce » der face, der farben, der farmen
series 4 » series _, series 1, series 2
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technology 3 innovation sources series 4 communication a de developpement der farce.*.