Perhaps you should try some spelling variations:
garcher » archer, karcher, larcher
researched » researcher, researches, researchers, research
larche » larcher, marche, lamarche, garche
larch » march, garch
searched » search
searches » search, semarches, searcher
arches » marches, archer

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: (((garcher OR researched) OR ((larche OR larch) OR (searched OR searches))) OR arches).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((garcher or researched) or ((larche or larch) or (searched OR searches))) or arches)".
• Adding a wildcard symbol may retrieve word variants: (((garcher or researched) or ((larche or larch) or (searched OR searches))) or arches)*.