Perhaps you should try some spelling variations:
geodetic mission » robotic mission
public mission » public admission, public pension, public discussion
free geodetic » from geodetic, free genetic, edge geodetic
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: (( free geodetic mission ) OR ( french public mission )).
• Adding a wildcard symbol may retrieve word variants: (( free geodetic mission ) or ( french public mission ))*.