Perhaps you should try some spelling variations:
structure processing » structure process (Expand search), structure preserving (Expand search), pressure processing (Expand search)
phrase structure » phase structure (Expand search), frame structure (Expand search), age structure (Expand search)
decrease akt » decrease at (Expand search), decrease and (Expand search), decrease after (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain decrease (Expand search)
akt phrase » and phrase (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 akt phrase structure processing ) OR ( decrease in decrease _ decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease akt phrase structure processing ) OR ( decrease in decrease _ decrease ))*.