Perhaps you should try some spelling variations:
"increase gradually reduce" » "increase globally reduce" (Expand Search)
"decrease greatly reducesd" » "decrease greatly reduced" (Expand Search), "decrease greatly reduces" (Expand Search), "decrease greatly reducedsd" (Expand Search), "decrease greatly reducessd" (Expand Search)
"decrease greatly reduce" » "decrease greatly reduced" (Expand Search), "decrease greatly reduces" (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("decrease greatly reduce") OR ("decrease greatly reducesd"))) OR ("increase gradually reduce"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"decrease greatly reduce\") OR (\"decrease greatly reducesd\"))) OR (\"increase gradually reduce\"))".
• Removing quotes may allow a broader search: (((( decrease greatly reduce ) OR ( decrease greatly reducesd ))) OR ( increase gradually reduce )).
• Adding a wildcard symbol may retrieve word variants: (((("decrease greatly reduce") OR ("decrease greatly reducesd"))) OR ("increase gradually reduce"))*.