Perhaps you should try some spelling variations:
"pol's equation2.8" » "pell's equation2.8", "pole equation2.8", "noll's equations2.8"
"pol's equation" » "pell's equation", "pole equation", "noll's equations"
"pol's equations2.8" » "pell's equations2.8", "pole equations2.8", "noll's equationss2.8"

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: (((((("pol's equation2.8") OR ("pol's equation"))) OR ("pol's equations2.8"))) OR ("pol equation")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"pol's equation2.8\") OR (\"pol's equation\"))) or (\"pol's equations2.8\"))) or (\"pol equation\"))".
• Removing quotes may allow a broader search: (((((( pol's equation2.8 ) OR ( pol's equation ))) or ( pol's equations2.8 ))) or ( pol equation )).
• Adding a wildcard symbol may retrieve word variants: (((((("pol's equation2.8") OR ("pol's equation"))) or ("pol's equations2.8"))) or ("pol equation"))*.