Perhaps you should try some spelling variations:
research implications » research institutions
implications series » applications series, publications series, implications brief
des developpement » des developpements, de developpement, le developpement
developpement il » developpement de, developpement et, developpement du
des variation » does variation, de variation, der variation
variation und » variation _, variablen und, variation 6
apologie des » l'apologie des, typologie des, apologien der
iea research » a research, 2 research, 2.1 research
series des » series de, series d, series e
il afrique » l afrique, en afrique
und iea » und iba, und ida, und iiia

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

• Adding a wildcard symbol may retrieve word variants: apologie des variation und iea research implications series des developpement il afrique.*.