Perhaps you should try some spelling variations:
4.3 communication » 2.3 communication, 4.1 communication, 4 communication
do developpement » de developpement, du developpement, le developpement
developpement de » developpement des, developpement durable
technology park » technology parks
park inflation » peak inflation, market inflation, markup inflation
rate space » state space, trace space, safe space
efforts do » efforts _, efforts 18, efforts 4
de afrique » de l'afrique, en afrique, l afrique
space 4.3 » space 3.3, space 2.1, space 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology park inflation rate space 4.3 communication efforts do developpement de afrique.*.