Perhaps you should try some spelling variations:
"lecturas en el arenal = erakurgaiak ardatza." » "lecturas en el arenal = erakurgaiak areatzan." (Expand Search), "lectura en el arenal = erakurgaiak ardatza." (Expand Search), "lecturas y el arenal = erakurgaiak ardatza." (Expand Search), "lectora en el arenal = erakurgaiak ardatza." (Expand Search), "lecturas en el area = erakurgaiak ardatza." (Expand Search)
"lecturas de el arenal = erakurgaiak ardatza." » "lecturas de el arenal = erakurgaiak areatzan." (Expand Search), "lectura de el arenal = erakurgaiak ardatza." (Expand Search), "relectura de el arenal = erakurgaiak ardatza." (Expand Search), "lecturas de el area = erakurgaiak ardatza." (Expand Search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("lecturas en el arenal = erakurgaiak ardatza.") OR ("lecturas de el arenal = erakurgaiak ardatza."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"lecturas en el arenal = erakurgaiak ardatza.\") OR (\"lecturas de el arenal = erakurgaiak ardatza.\"))".
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• Adding a wildcard symbol may retrieve word variants: (("lecturas en el arenal = erakurgaiak ardatza.") OR ("lecturas de el arenal = erakurgaiak ardatza."))*.