Perhaps you should try some spelling variations:
"economische gevolgen" » "oeconomische gedanken", "okonomische folgen", "economische groei"
"okonomische analysen" » "okonomische analyse", "okonomischen analyse", "oekonomische analyse"
"economische crises" » "economic crises", "economic crisis", "economic crimes"

Try widening your search to All Fields.

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: (("economische crises") OR ((("economische gevolgen") OR ("okonomische analysen")))).
• Removing quotes may allow a broader search: (( economische crises ) or ((( economische gevolgen ) or ( okonomische analysen )))).
• Adding a wildcard symbol may retrieve word variants: (("economische crises") or ((("economische gevolgen") or ("okonomische analysen"))))*.