Perhaps you should try some spelling variations:
"cuba foreign legislation united states." » "cuba foreign legislation chile states.", "cuban foreign legislation united states.", "a foreign legislation united states.", "u.s foreign legislation united states."
"eu foreign legislation united states." » "eu foreign legislation chile states.", "el foreign legislation united states.", "_ foreign legislation united states.", "a foreign legislation united states."

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• Performing a fuzzy search may retrieve terms with similar spellings: (("cuba foreign legislation united states.") OR ("eu foreign legislation united states."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"cuba foreign legislation united states.\") OR (\"eu foreign legislation united states.\"))".
• Removing quotes may allow a broader search: (( cuba foreign legislation united states. ) OR ( eu foreign legislation united states. )).
• Adding a wildcard symbol may retrieve word variants: (("cuba foreign legislation united states.") OR ("eu foreign legislation united states."))*.