Perhaps you should try some spelling variations:
"Sciences federal administration." » "Sciences central administration.", "Sciences fiscal administration.", "Sciences judicial administration."
"sciences drug administration." » "sciences court administration.", "sciences land administration.", "sciences _ administration.", "sciences d'un administration.", "sciences du administration.", "sciences during administration."
sciences federal » sciences general, science general, sciences frederick

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Sciences federal administration.\") OR (\"sciences drug administration.\"))~".
• Removing quotes may allow a broader search: (( Sciences federal administration. ) OR ( sciences drug administration. ))~.
• Adding a wildcard symbol may retrieve word variants: (("Sciences federal administration.") OR ("sciences drug administration."))*.