Perhaps you should try some spelling variations:
"fuente material y formal del Derecho" » "fuentes materiales y formal del Derecho" (Expand Search), "fuente maria y formal del Derecho" (Expand Search), "fuente material en formal del Derecho" (Expand Search), "fuente material y forma del Derecho" (Expand Search), "fuente material y formal de Derecho" (Expand Search), "fuente material y foral del Derecho" (Expand Search), "fuente material y formas del Derecho" (Expand Search)
"fuente material de formal del Derecho" » "fuentes materiales de formal del Derecho" (Expand Search), "fuente maria de formal del Derecho" (Expand Search), "fuente materia de formal del Derecho" (Expand Search), "fuente material de forma del Derecho" (Expand Search), "fuente material de formal de Derecho" (Expand Search), "fuente material de foral del Derecho" (Expand Search), "fuente material de formas del Derecho" (Expand Search), "fuente material ley formal del Derecho" (Expand Search)
del derecho » el derecho (Expand Search)

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You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("fuente material y formal del Derecho") OR ("fuente material de formal del Derecho"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"fuente material y formal del Derecho\") OR (\"fuente material de formal del Derecho\"))".
• Removing quotes may allow a broader search: (( fuente material y formal del Derecho ) OR ( fuente material de formal del Derecho )).
• Adding a wildcard symbol may retrieve word variants: (("fuente material y formal del Derecho") OR ("fuente material de formal del Derecho"))*.