Perhaps you should try some spelling variations:
communications series » communication series, communications services, communication services
index developpements » des developpements, deux developpements, de developpement
developpements des » developpement des, developpements de, developpement de
des l'afrique » de l'afrique, de l'amerique
de variation » der variation, die variation, does variation
typology de » typology _, typology 6, typology a
costs data » cost data

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

• Adding a wildcard symbol may retrieve word variants: typology de variation _ costs data communications series index developpements des l'afrique.*.