Perhaps you should try some spelling variations:
garcher » archer, karcher, larcher, marcher
researches » researchers, researcher, research, resemarches, resesearches
searched » searches, researched, search
larch » march
garch » march
searcher » searchers, searches, researcher
arches » marches, archer, searches

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 researches) OR ((searched OR (larch OR garch)) OR searcher)) OR arches).
• Adding a wildcard symbol may retrieve word variants: (((garcher or researches) or ((searched or (larch or garch)) or searcher)) or arches)*.