Perhaps you should try some spelling variations:
technologien 5 » technologien _, technologien 1, technologien 4
formation sand » formation bank, formation can, formation und
developing 4 » developing _, developing a, developing e
5 formation » 1 formation, a formation, 4.5 formation
dune une » dune un, donne une, dire une
dans une » dans un, dans le
4 areas » 1 areas, 2 areas, 4 areal

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: "technologien 5 formation sand ((dune une) OR (dans une)) communication costs _ developing 4 areas.~".
• Adding a wildcard symbol may retrieve word variants: technologien 5 formation sand ((dune une) OR (dans une)) communication costs _ developing 4 areas.*.