Perhaps you should try some spelling variations:
developpement rural » development rural, developpement durable, development moral
bases compensation » based compensation, wages compensation, wage compensation
innovation case » innovation based, innovation chapter, innovation center
rural africa » rural area
time bases » time based, time banks, time case
case time » scale time, waste time, same time
a do » a dot, _ do, a co

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: "technology _ innovation case time bases compensation ((a do) OR (a d)) developpement rural africa.~".
• Adding a wildcard symbol may retrieve word variants: technology _ innovation case time bases compensation ((a do) OR (a d)) developpement rural africa.*.