Perhaps you should try some spelling variations:
"prevost de gand" » "prevost des gand", "prevot des gand", "prevost _ gand", "prevost de gandt", "prevost de grande", "prevost de grands"
"prost de grand" » "trost der grand", "joost de grand", "rost der grand", "prost de grande", "prost de grands", "prost de grandi"
"post de gard" » "post des gard", "post deal gard", "joost de gard", "post de garde", "post de gare", "post de garder"

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: (("post de gard") OR ((("prost de grand") OR ("prevost de gand")))).
• Removing quotes may allow a broader search: (( post de gard ) or ((( prost de grand ) or ( prevost de gand )))).
• Adding a wildcard symbol may retrieve word variants: (("post de gard") or ((("prost de grand") or ("prevost de gand"))))*.