Perhaps you should try some spelling variations:
research implications » research institutions
das developpements » des developpements, deux developpements, de developpement
developpements l » developpements de, developpement il, developpement la
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
variation der » variation des, variation bei, variation _
fees research » fuels research, meets research, does research
l afrique » en afrique
der fees » der hees, user fees, der feder

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation der fees research implications _ das developpements l afrique.*.