Perhaps you should try some spelling variations:
"peter decrease" » "peter decreased" (Expand Search), "peter increase" (Expand Search)
"sameer decrease" » "sameer decreased" (Expand Search), "sameer increase" (Expand Search), "samer decrease" (Expand Search)
"mean decrease" » "mean decreased" (Expand Search), "mean increase" (Expand Search)
"greater decrease" » "greater decreased" (Expand Search), "greater increase" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"peter decrease\") OR (\"sameer decrease\"))) OR (\"mean decrease\"))) OR (\"greater decrease\"))~".
• Removing quotes may allow a broader search: (((((( peter decrease ) OR ( sameer decrease ))) OR ( mean decrease ))) OR ( greater decrease ))~.
• Adding a wildcard symbol may retrieve word variants: (((((("peter decrease") OR ("sameer decrease"))) OR ("mean decrease"))) OR ("greater decrease"))*.