Perhaps you should try some spelling variations:
lexical processing » chemical processing (Expand search), textual processing (Expand search), optical processing (Expand search)
increase lexical » increase legal (Expand search), increased chemical (Expand search), increased vertical (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate increase » the increase (Expand search), and increase (Expand search), an increase (Expand search)
decrease can » decrease in (Expand search), decrease and (Expand search), decrease at (Expand search)
can decrease » can increase (Expand search), and decrease (Expand search), to decrease (Expand search)
decrease akt » decrease at (Expand search), decrease and (Expand search), decrease after (Expand search)
akt decrease » and decrease (Expand search), not decrease (Expand search), any decrease (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: "(( decrease rate increase lexical processing ) OR ( decrease can decrease akt decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease rate increase lexical processing ) OR ( decrease can decrease akt decrease ))*.