Perhaps you should try some spelling variations:
der developpement » de developpement, des developpements, leur developpement
pension systems » pension system
die information » time information, life information, age information
developpement l » developpement il, developpement la, developpement de
technology die » technologie die, technology does, technology 4ir
la pension » a pension, la pression, can pension
l afrique » en afrique
13 does » 10 does
3 does » 2 does, 4 does, 1 does

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: "technology die information ((3 does) OR (13 does)) la pension systems der developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology die information ((3 does) OR (13 does)) la pension systems der developpement l afrique.*.