Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
data communication » data communications
variation lending » education lending, variation using
new developpement » de developpement, le developpement, new development
developpement en » developpement et, developpement des, developpement de
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
rates data » rate data, states data, cases data
series new » services new, series e, series index

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation lending rates data communication series new developpement en afrique.*.