Perhaps you should try some spelling variations:
personal communication » interpersonal communication
des developpement » des developpements, de developpement, le developpement
eines irrigation » minor irrigation, petite irrigation, saline irrigation
typologie eines » typologie cices, typologie einiger, typologie des
communication 2 » communication _, communication a, communication 3
developpement l » developpement il, developpement la, developpement de
irrigation 5 » irrigation _, irrigation 4, irrigation use
hrl personal » era personal, early personal, helps personal
l afrique » en afrique
5 hrl » 5 hdl
2 des » 2 der, 2 das, a des

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

• Adding a wildcard symbol may retrieve word variants: typologie eines irrigation 5 hrl personal communication 2 des developpement l afrique.*.