Perhaps you should try some spelling variations:
"pollutant evolution detection" » "pollutants evaluation detection", "pollutant deposition detection", "pollutant regulation detection", "pollutant evolution reaction", "pollutant evolution section", "pollutant pollution detection"
"pollutant erosion prediction" » "pollutant emotion prediction", "pollutant motion prediction", "pollutant expression prediction", "pollutant emission prediction", "pollutant deposition prediction", "pollutant emissions prediction"

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: (("pollutant erosion prediction") OR ("pollutant evolution detection"))*.
• Removing quotes may allow a broader search: (( pollutant erosion prediction ) or ( pollutant evolution detection ))*.