Perhaps you should try some spelling variations:
"cohen alexander m" » "joshua alexander m" (Expand Search)
"john alexander si" » "jahn alexander si" (Expand Search), "joshua alexander si" (Expand Search), "foong alexander si" (Expand Search), "john alexander rui" (Expand Search), "john alexander g" (Expand Search), "john alexander h" (Expand Search)
"john alexander i" » "jahn alexander i" (Expand Search), "joshua alexander i" (Expand Search), "foong alexander i" (Expand Search), "john alexander g" (Expand Search), "john alexander h" (Expand Search), "john alexander v" (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("john alexander si") OR ((("john alexander i") OR ("cohen alexander m"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"john alexander si\") OR (((\"john alexander i\") OR (\"cohen alexander m\"))))".
• Removing quotes may allow a broader search: (( john alexander si ) OR ((( john alexander i ) OR ( cohen alexander m )))).
• Adding a wildcard symbol may retrieve word variants: (("john alexander si") OR ((("john alexander i") OR ("cohen alexander m"))))*.