Perhaps you should try some spelling variations:
"studies novel policies vernieuwing" » "studies novel policies reviewing", "studies novel policies verifying", "studies novel policies versioning", "studies level policies vernieuwing", "studies model policies vernieuwing", "studies gomel policies vernieuwing", "studies new policies vernieuwing"
"studies en politieke vernieuwing" » "studies en politiek vernieuwing", "studies en politique vernieuwing", "studies en politica vernieuwing", "studies ein politieke vernieuwing", "studies end politieke vernieuwing", "studies e politieke vernieuwing"

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: "((\"studies novel policies vernieuwing\") OR (\"studies en politieke vernieuwing\"))".
• Removing quotes may allow a broader search: (( studies novel policies vernieuwing ) OR ( studies en politieke vernieuwing )).
• Adding a wildcard symbol may retrieve word variants: (("studies novel policies vernieuwing") OR ("studies en politieke vernieuwing"))*.