Perhaps you should try some spelling variations:
"pollutant dimensionality reduction" » "following dimensionality reduction", "modular dimensionality reduction"
"including dimensionality reduction" » "including dimensionless reduction", "using dimensionality reduction", "reducing dimensionality reduction"
"pollutants dispersion reduction" » "pollutant dispersion reduction", "pollution dispersion reduction", "pollutants detection reduction", "pollutants dispersion prediction", "pollutants dispersion predictions", "pollutants dimension reduction"

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 dimensionality reduction") OR ("including dimensionality reduction"))) OR ("pollutants dispersion reduction")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"pollutant dimensionality reduction\") OR (\"including dimensionality reduction\"))) or (\"pollutants dispersion reduction\"))".
• Removing quotes may allow a broader search: (((( pollutant dimensionality reduction ) OR ( including dimensionality reduction ))) or ( pollutants dispersion reduction )).
• Adding a wildcard symbol may retrieve word variants: (((("pollutant dimensionality reduction") OR ("including dimensionality reduction"))) or ("pollutants dispersion reduction"))*.