Perhaps you should try some spelling variations:
power communication » your communication, fiber communication, better communication
net developpement » et developpement, de developpement, le developpement
variation des » variation _, variation 6, variation series
a variation » la variation, _ variation, 2 variation
et afrique » en afrique
apology a » apology _, apology mea, typology a
dem power » den power, der power, dc power
l afrique » en afrique
des dem » das dem, des der, des des
a net » a new, _ net, a neo

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "apology a variation des dem power communication a net developpement ((et afrique) OR (l afrique)).~".
• Adding a wildcard symbol may retrieve word variants: apology a variation des dem power communication a net developpement ((et afrique) OR (l afrique)).*.