Perhaps you should try some spelling variations:
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
des developpement » des developpements, de developpement, le developpement
developpement de » developpement des, developpement durable
technology push » technology park, technology parks
push inflation » musil inflation, high inflation, und inflation
inflation tax » inflation rate, inflation _, inflation target
de afrique » de l'afrique, en afrique, l afrique
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technology push inflation tax space 2.1 communication a des developpement de afrique.*.