Perhaps you should try some spelling variations:
der developpement » de developpement, des developpements, leur developpement
information 5.2.2 » information 2.2.2, information 3.2.2, information 5.4.2
developpement du » developpement de, developpement des, developpement et
pension systems » pension system
wages pension » age pension
technology 2 » technology _, technology 1, technology 3
5.2.2 does » 7.2.2 does, 13.2.2 does, 5.2.2 die
does wages » does wales, jobs wages, does water
du afrique » en afrique, l afrique, de l'afrique

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

• Adding a wildcard symbol may retrieve word variants: technology 2 information 5.2.2 does wages pension systems der developpement du afrique.*.