Perhaps you should try some spelling variations:
best developpement » et developpement, de developpement, le developpement
oral communication » personal communication
developpement la » developpement de, developpement et, developpement du
variation basin » variation basic, variation bei, variation using
apologien der » typologien der, apologie des, ideologien der
der variation » de variation, does variation, die variation
basin areas » basin area, basic areas, base areas
areas oral » areas rural, areas coal
la afrique » l afrique, la fabrique, en afrique

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

• Adding a wildcard symbol may retrieve word variants: apologien der variation basin areas oral communication a best developpement la afrique.*.