Perhaps you should try some spelling variations:
geodetic missions » geodetic mission, academic missions, geodetic stations
geodesic mission » geodetic mission, geodesic motion, geodesic design
genetic mission » geodetic mission, genesis mission, genetic commission

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: french ((geodesic mission) OR (((geodetic missions) OR (genetic mission)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "french ((geodesic mission) or (((geodetic missions) OR (genetic mission))))".
• Adding a wildcard symbol may retrieve word variants: french ((geodesic mission) or (((geodetic missions) OR (genetic mission))))*.