Perhaps you should try some spelling variations:
guinea communications » business communications, online communications, data communications
variation series » education series, action series, edition series
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
die variation » de variation, does variation, der variation
typology die » typology _, typology 4.1, typology 6
de afrique » de l'afrique, en afrique, l afrique
series 1 » series _
1 guinea » _ guinea, 3.1 guinea, a guinean

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

• Adding a wildcard symbol may retrieve word variants: typology die variation series 1 guinea communications _ et developpement de afrique.*.