Perhaps you should try some spelling variations:
communications 1.3 » communication 1.3, communications 3.3, communications 4.3
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
new data » raw data
1.3 de » 1.3 die, 1.3 der, 1.3 den
theorie » theories

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

• Adding a wildcard symbol may retrieve word variants: theorie der variation des new data communications 1.3 de developpement en afrique.*.