Perhaps you should try some spelling variations:
"slice tectonics" » "scale tectonics", "surge tectonics", "active tectonics"
"plates tectonic" » "plate tectonic", "lakes tectonic", "rates tectonic", "places tectonic"
"slip tectonics" » "salt tectonics", "iii tectonics", "deep tectonics"
"plate tectonics" » "place tectonics"

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: (((("plate tectonics") OR ((("slice tectonics") OR ("slip tectonics"))))) OR ("plates tectonic"))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"plate tectonics\") or (((\"slice tectonics\") OR (\"slip tectonics\"))))) or (\"plates tectonic\"))*".
• Removing quotes may allow a broader search: (((( plate tectonics ) or ((( slice tectonics ) OR ( slip tectonics ))))) or ( plates tectonic ))*.