Perhaps you should try some spelling variations:
geodetic mission » robotic mission
french geodetic » free geodetic, french poetic, french genetics
public mission » public admission, public pension, public discussion
french public » french republic

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 geodetic mission ) OR ( french public mission )).
• Adding a wildcard symbol may retrieve word variants: (( french geodetic mission ) or ( french public mission ))*.