Perhaps you should try some spelling variations:
"pollutant emotion prediction" » "pollutant evolution prediction", "pollutant relation prediction", "pollutant action prediction", "pollutant emission prediction", "pollutant deposition prediction", "pollutant efunction prediction"
"pollutant motion prediction" » "pollutant function prediction", "pollutant action prediction", "pollutant formation prediction", "pollutant migration 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 emotion prediction") OR ("pollutant motion prediction"))*.
• Removing quotes may allow a broader search: (( pollutant emotion prediction ) or ( pollutant motion prediction ))*.