Perhaps you should try some spelling variations:
"cohen alexander i" » "joshua alexander i" (Expand Search), "cohen alexander m" (Expand Search), "cohen alexander g" (Expand Search), "cohen alexander h" (Expand Search)
"jahn alexander si" » "aaron alexander si" (Expand Search), "fian alexander si" (Expand Search), "gant alexander si" (Expand Search), "jahn alexander rui" (Expand Search), "jahn alexander m" (Expand Search), "jahn alexander g" (Expand Search)
"john alexander i" » "joshua alexander i" (Expand Search), "foong alexander i" (Expand Search), "boyd alexander i" (Expand Search), "john alexander m" (Expand Search), "john alexander g" (Expand Search), "john alexander h" (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: (("jahn alexander si") OR ((("john alexander i") OR ("cohen alexander i"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"jahn alexander si\") OR (((\"john alexander i\") OR (\"cohen alexander i\"))))".
• Removing quotes may allow a broader search: (( jahn alexander si ) OR ((( john alexander i ) OR ( cohen alexander i )))).
• Adding a wildcard symbol may retrieve word variants: (("jahn alexander si") OR ((("john alexander i") OR ("cohen alexander i"))))*.