Perhaps you should try some spelling variations:
labor compensation » sector compensation
development alone » development along, development among, development alan
innovation case » innovation based, innovation chapter, innovation center
technology 1 » technology _
1 innovation » 2 innovation, 3 innovation, 4 innovation
alone africa » life africa, line african, zones africa
time labor » home labor, life labor, same labor
case time » scale time, waste time, same time
2 do » _ do, 2 de, 1 do
2 co » _ co, a co, 2 c

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 1 innovation case time labor compensation ((2 do) OR (2 co)) development alone africa.~".
• Adding a wildcard symbol may retrieve word variants: technology 1 innovation case time labor compensation ((2 do) OR (2 co)) development alone africa.*.