Perhaps you should try some spelling variations:
"nijhoff international trade new serious" » "off international trade new serious", "nations international trade new serious", "banff international trade new serious"
"rivf international trade law series" » "ccf international trade law series", "private international trade law series", "auf internationale trade law series", "rivf international trade flow series", "rivf international trade law stories", "rivf international trade new series"

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: (("rivf international trade law series") OR ("nijhoff international trade new serious")).
• Removing quotes may allow a broader search: (( rivf international trade law series ) or ( nijhoff international trade new serious )).
• Adding a wildcard symbol may retrieve word variants: (("rivf international trade law series") or ("nijhoff international trade new serious"))*.