Perhaps you should try some spelling variations:
communications series » communication series, communications services, communication services
deux developpements » des developpements, de developpement, du developpement
developpements de » developpement de, developpement des, developpement du
how variation » how valuation, does variation, four variation
typology how » typology from, typology _, typology 4.1
series deux » series de, series index
costs data » cost data
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: typology how variation _ costs data communications series deux developpements de afrique.*.