Perhaps you should try some spelling variations:
2.5 communication » 2.3 communication, 2.7 communication, 3.5 communication
communication 3.3 » communication _, communication a, communication 1
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
technology push » technology park, technology parks
push inflation » musil inflation, high inflation, und inflation
rate sparse » data sparse, based sparse
sparse 2.5 » space 2.5
3.3 du » 3.3 de, 3.3 dual

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

• Adding a wildcard symbol may retrieve word variants: technology push inflation rate sparse 2.5 communication 3.3 du developpement en afrique.*.