Perhaps you should try some spelling variations:
based compensation » land compensation, wages compensation, based communication
development ds » development d, development does, development desd
data based » data used
ds africa » de africa, does africa, yes africa
2.3 dams » 2.3 dalsi, 2.3 data, 2.3 dank
2.3 das » 3.3 das, 2.3 data

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 a data based compensation ((2.3 dams) OR (2.3 das)) development ds africa.~".
• Adding a wildcard symbol may retrieve word variants: technology _ innovation a data based compensation ((2.3 dams) OR (2.3 das)) development ds africa.*.