Perhaps you should try some spelling variations:
mathematiques ram » mathematiques de
sciences many » sciences may, sciences germany, sciences botany
sciences man » sciences may, sciences max, sciences men
_ sciences » _ science
a l'homme » de l'homme

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( mathematiques ram ((sciences man) OR (sciences many)) l'homme ) OR ( mathematiques ((des sciences) OR (_ sciences)) a l'homme )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( mathematiques ram ((sciences man) OR (sciences many)) l'homme ) or ( mathematiques ((des sciences) or (_ sciences)) a l'homme ))".
• Adding a wildcard symbol may retrieve word variants: (( mathematiques ram ((sciences man) OR (sciences many)) l'homme ) or ( mathematiques ((des sciences) or (_ sciences)) a l'homme ))*.