Perhaps you should try some spelling variations:
construction processes » construction process (Expand search), construction projects (Expand search), construction project (Expand search)
database construction » database reconstruction (Expand search), data reconstruction (Expand search), based construction (Expand search)
decrease cog » decrease of (Expand search), decrease or (Expand search), decrease low (Expand search)
cog database » cor database (Expand search), tag database (Expand search), eeg database (Expand search)
decrease not » decrease of (Expand search), decrease akt (Expand search), decrease at (Expand search)
not decrease » not increase (Expand search), and decrease (Expand search), _ decrease (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (Expand search)

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: (( decrease cog database construction processes ) OR ( decrease to decrease NOT decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease cog database construction processes ) OR ( decrease to decrease not decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease cog database construction processes ) OR ( decrease to decrease not decrease ))*.