Perhaps you should try some spelling variations:
forest developpement » forest development, forestry development, et developpement
oral communication » personal communication
communication 1.1 » communication 4.1, communication 7.1, communication 1.3
developpement en » developpement et, developpement des, developpement de
variation using » variations during, variation und, variation among
theologie die » theologie der, theologie des, theologie im
die variation » de variation, does variation, der variation
using does » using deep, being does, using aes
1.1 forest » 1.1 forests, 1.3 forest, 3.1 forest
does oral » does formal, does oil

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

• Adding a wildcard symbol may retrieve word variants: theologie die variation using does oral communication 1.1 forest developpement en afrique.*.