Perhaps you should try some spelling variations:
"lease and neural sciences periodicals." » "lease and neural diseases periodicals.", "lease and neural science periodicals.", "lease and natural sciences periodicals.", "lease and natural science periodicals."
"lease and central science periodicals." » "lease and general science periodicals.", "lease and cereal science periodicals.", "lease and clinical science periodicals."

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: (("lease and central science periodicals.") OR ("lease and neural sciences periodicals."))~.
• Removing quotes may allow a broader search: (( lease and central science periodicals. ) or ( lease and neural sciences periodicals. ))~.
• Adding a wildcard symbol may retrieve word variants: (("lease and central science periodicals.") or ("lease and neural sciences periodicals."))*.