Perhaps you should try some spelling variations:
execution proceeding » execution proceedings (Expand search), execution procedure (Expand search), executive processing (Expand search)
decree execution » degree executive (Expand search), decreto executivo (Expand search), between execution (Expand search)
decrease not » decrease akt (Expand search), decrease on (Expand search), decrease or (Expand search)
not decrease » to decrease (Expand search), not increase (Expand search), and decrease (Expand search)
decrease of » decrease in (Expand search)
decrease at » decrease akt (Expand search), decrease and (Expand search), decrease in (Expand search)
at decrease » rate decrease (Expand search), that decrease (Expand search), and decrease (Expand search)
of decree » of degree (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 of decree execution proceeding ) OR ( decrease at decrease NOT decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease of decree execution proceeding ) OR ( decrease at decrease not decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease of decree execution proceeding ) OR ( decrease at decrease not decrease ))*.