Perhaps you should try some spelling variations:
personal communication » interpersonal communication
raise developments » rise developments, rate developments, rail developments
technologies used » technologies based, technology used, technologies _
used innovation » user innovation, use innovation, based innovation
communication 1 » communication _, communication a, communication 3
developments d » developments _, developments 4, developments 3
innovation 2 » innovation 1, innovation 4, innovation 3
das personal » des personal, des personals, haus personal
d afrique » l afrique, en afrique, de l'afrique
1 raise » _ raise, _ praise, _ raised
2 das » 1 das

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

• Adding a wildcard symbol may retrieve word variants: technologies used innovation 2 das personal communication 1 raise developments d afrique.*.