Perhaps you should try some spelling variations:
people communication » complex communication, mobile communication, remote communication
rail developments » rail development, rapid developments, rate developments
communication 1 » communication _, communication a, communication 3
du people » do people, du peuple, a people
labor du » labor do, labor das, labor day
c rural » a rural, 4 rural, 1 rural
2 rural » a rural
1 rail » _ rail, a rail

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologie ((c rural) OR (2 rural)) labor du people communication 1 rail developments _ afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologie ((c rural) OR (2 rural)) labor du people communication 1 rail developments _ afrique.*.