Perhaps you should try some spelling variations:
"free magnetic lesions" » "free magnetic regions", "free magnetic response", "free magnetic ions"
"free geodetic mission" » "free robotic mission", "from geodetic mission", "free genetic mission", "edge geodetic mission"

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 ("free magnetic lesions")).
• Removing quotes may allow a broader search: (( free geodetic mission ) or ( free magnetic lesions )).
• Adding a wildcard symbol may retrieve word variants: (("free geodetic mission") or ("free magnetic lesions"))*.