Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
land compensation » labor compensation, based compensation, fair compensation
compensation 2.3 » compensation 1.3, compensation 2.5, compensation 1.2.3
developpement eu » developpement et, developpement du, developpement en
eu africa » em africa, 1 africa, 11 africa
2.3 leur » 2.3 leser, 2.3 les, 2.3 lee
1 debt » 4 debt
3 debt » 83 debt, 4 debt, 2.3 debt

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 ((1 debt) OR (3 debt)) land compensation 2.3 leur developpement eu africa.~".
• Adding a wildcard symbol may retrieve word variants: technology _ innovation ((1 debt) OR (3 debt)) land compensation 2.3 leur developpement eu africa.*.