Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
der developpement » de developpement, des developpements, leur developpement
technology trade » technology trends, technology transfer, technology transfers
developpement en » developpement et, developpement des, developpement de
regulation data » regulation das, regulation dna, regulation latin
3 communication » 4 communication, de communication, data communication
data prices » data primer, data races, data practices
prices 3 » prices _, prices a, prices 4

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

• Adding a wildcard symbol may retrieve word variants: technology trade regulation data prices 3 communication phase der developpement en afrique.*.