Perhaps you should try some spelling variations:
"10 steps series" » "10 steps seem", "10 steps stages"
"10 steps images" » "10 stego images", "10 steel images", "10 stele images"
"10 step series" » "10 step serial", "10 step energies", "10 step theories"

Try widening your search to All Fields.

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: (((("10 steps series") OR ("10 step series"))) OR ("10 steps images")).
• Removing quotes may allow a broader search: (((( 10 steps series ) or ( 10 step series ))) or ( 10 steps images )).
• Adding a wildcard symbol may retrieve word variants: (((("10 steps series") or ("10 step series"))) or ("10 steps images"))*.