Perhaps you should try some spelling variations:
"pythagorean y dimensiones analysis" » "pythagorean y dimensional analysis" (Expand Search), "pythagorean de dimensiones analysis" (Expand Search), "pythagorean dos dimensiones analysis" (Expand Search), "pythagorean _ dimensional analysis" (Expand Search)
"pythagorean fuzzy dimensions analysis" » "pythagorean fuzzy dimensional analysis" (Expand Search), "pythagorean body dimensions analysis" (Expand Search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("pythagorean fuzzy dimensions analysis") OR ("pythagorean y dimensiones analysis"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"pythagorean fuzzy dimensions analysis\") OR (\"pythagorean y dimensiones analysis\"))".
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