Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies scale » technologies case, technologies stage, technologies social
leur developpement » le developpement, deux developpements, de developpement
scale innovation » scales innovation, shape innovation, space innovation
developpement en » developpement et, developpement des, developpement de
innovation 4 » innovation _, innovation a, innovation 1
das personal » des personal, des personals, haus personal
4 das » 1 das, 2 das, 3 das

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

• Adding a wildcard symbol may retrieve word variants: technologies scale innovation 4 das personal communication a leur developpement en afrique.*.