Perhaps you should try some spelling variations:
"pollutant emissions prediction" » "pollutant emission prediction", "pollutant emissions reduction", "pollutant emissions production"
"pollutant action prediction" » "pollutant motion prediction", "pollutant function prediction", "pollutant location prediction", "pollutant reactions prediction", "pollutants section prediction", "pollutant reduction 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 emissions prediction") OR ("pollutant action prediction")).
• Removing quotes may allow a broader search: (( pollutant emissions prediction ) or ( pollutant action prediction )).
• Adding a wildcard symbol may retrieve word variants: (("pollutant emissions prediction") or ("pollutant action prediction"))*.