Perhaps you should try some spelling variations:
labor compensation » sector compensation
developpement eu » developpement et, developpement du, developpement en
4 innovations » _ innovations, 4 innovation, 3 innovations
innovations 5 » innovations _, innovations a, innovations und
technology 4 » technology _, technology 1, technology 3
eu africa » em africa, 1 africa, 11 africa
4.4 der » 2.4 der
4.4 de » 4.4 die
5 u.s » _ u.s, a u.s, 4 u.s

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 4 innovations 5 u.s labor compensation ((4.4 de) OR (4.4 der)) developpement eu africa.~".
• Adding a wildcard symbol may retrieve word variants: technology 4 innovations 5 u.s labor compensation ((4.4 de) OR (4.4 der)) developpement eu africa.*.