Perhaps you should try some spelling variations:
communication pattern » communication patterns, communication platform, communication chapter
de communication » mobile communication, online communication
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
inflation der » inflation index, inflation _, inflation tax
der prices » user prices, debt prices, do prices
pattern et » pattern set, pattern sets, pattern new
prices de » prices does, prices _, prices a

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

• Adding a wildcard symbol may retrieve word variants: technology _ inflation der prices de communication pattern et developpement en afrique.*.