Perhaps you should try some spelling variations:
3.3 communication » 2.3 communication, 3.2 communication, 3.5 communication
des developpement » des developpements, de developpement, le developpement
technology und » technology fund, technology used, technology use
section data » sectional data
und section » end section, aid section, phd section
efforts des » effort des, efforts dean, effets des
des afrique » en afrique, de l'afrique
data space » data spaces, data sparse, data scarce
space 3.3 » space 3.2, space 2.1, space 2.2

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

• Adding a wildcard symbol may retrieve word variants: technology und section data space 3.3 communication efforts des developpement des afrique.*.