Perhaps you should try some spelling variations:
"coles normale superieure de cachan" » "coles normal superieure de cachan" (Expand Search), "coles normals superieure de cachan" (Expand Search), "coles normala superieure de cachan" (Expand Search)
"coles normale superieure de cassan" » "coles normal superieure de cassan" (Expand Search), "coles normals superieure de cassan" (Expand Search), "coles normala superieure de cassan" (Expand Search), "coles normale superieure de hassan" (Expand Search), "coles normale superieure de casson" (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: (("coles normale superieure de cachan") OR ("coles normale superieure de cassan"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coles normale superieure de cachan\") OR (\"coles normale superieure de cassan\"))".
• Removing quotes may allow a broader search: (( coles normale superieure de cachan ) OR ( coles normale superieure de cassan )).
• Adding a wildcard symbol may retrieve word variants: (("coles normale superieure de cachan") OR ("coles normale superieure de cassan"))*.