Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
der developpement » de developpement, des developpements, leur developpement
de communication » mobile communication, online communication
developpement en » developpement et, developpement des, developpement de
inflation risk » inflation rate
risk prices » risk price, risk priced, rice prices
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 risk prices de communication phase der developpement en afrique.*.