Perhaps you should try some spelling variations:
decrease extesion » decrease adhesion (Expand search), decreased expression (Expand search), decreases expression (Expand search)
extesion projects » extension projects (Expand search), extensions projects (Expand search), extension project's (Expand search)
decrease owing » decrease lodging (Expand search), decrease during (Expand search), decrease in (Expand search)
owing decrease » taping decrease (Expand search), will decrease (Expand search), skins decrease (Expand search)
decrease with » decreases with (Expand search), increase with (Expand search), decrease in (Expand search)
with decrease » with decreased (Expand search), with deceased (Expand search), with increase (Expand search)
decrease on » decrease in (Expand search), decrease of (Expand search), decrease or (Expand search)
on decrease » on decreased (Expand search), or decrease (Expand search), of 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 with decrease owing decrease ) OR ( decrease on decrease extesion projects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease with decrease owing decrease ) OR ( decrease on decrease extesion projects ))*.