Perhaps you should try some spelling variations:
"holbach, samuel hardy thiry / baron d' / 1723-1789 / systeme de la nature" » "holbach, samuel hayes thiry / baron d' / 1723-1789 / systeme de la nature", "holbach, samuel sharp thiry / baron d' / 1723-1789 / systeme de la nature", "holbach, samuel hardy thiry / baron d' / 1723-1789 / systeme der la nature", "holbach, samuel hardy thiry / baron _' / 1723-1789 / systeme de la nature"
"holbach, samuel henry thiry / baron d' / 1723-1789 / systeme de la nature" » "holbach, samuel henri thiry / baron d' / 1723-1789 / systeme de la nature", "holbach, samuel henry terry / baron d' / 1723-1789 / systeme de la nature", "holbach, samuel henry thring / baron d' / 1723-1789 / systeme de la nature", "holbach, samuel henry thiry / baron d' / 1723-1789 / systeme der la nature", "holbach, samuel henry thiry / baron _' / 1723-1789 / systeme de la nature"
"holbach, samuel henry thiry / baron de' / 1723-1789 / systeme de la nature" » "holbach, samuel henri thiry / baron de' / 1723-1789 / systeme de la nature", "holbach, samuel henry terry / baron de' / 1723-1789 / systeme de la nature", "holbach, samuel henry thring / baron de' / 1723-1789 / systeme de la nature", "holbach, samuel henry thiry / baron de' / 1723-1789 / systeme der la nature", "holbach, samuel henry thiry / baron _' / 1723-1789 / systeme de la nature", "holbach, samuel henry thiry / baron _e' / 1723-1789 / systeme de la nature"

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: (((("holbach, samuel henry thiry / baron d' / 1723-1789 / systeme de la nature") OR ("holbach, samuel hardy thiry / baron d' / 1723-1789 / systeme de la nature"))) OR ("holbach, samuel henry thiry / baron de' / 1723-1789 / systeme de la nature")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"holbach, samuel henry thiry / baron d' / 1723-1789 / systeme de la nature\") OR (\"holbach, samuel hardy thiry / baron d' / 1723-1789 / systeme de la nature\"))) or (\"holbach, samuel henry thiry / baron de' / 1723-1789 / systeme de la nature\"))".
• Removing quotes may allow a broader search: (((( holbach, samuel henry thiry / baron d' / 1723-1789 / systeme de la nature ) OR ( holbach, samuel hardy thiry / baron d' / 1723-1789 / systeme de la nature ))) or ( holbach, samuel henry thiry / baron de' / 1723-1789 / systeme de la nature )).
• Adding a wildcard symbol may retrieve word variants: (((("holbach, samuel henry thiry / baron d' / 1723-1789 / systeme de la nature") OR ("holbach, samuel hardy thiry / baron d' / 1723-1789 / systeme de la nature"))) or ("holbach, samuel henry thiry / baron de' / 1723-1789 / systeme de la nature"))*.