Thats what I did by myself but it doesn't filter by anything. When I try to use the normal !title[Edukt] it shows me nothing.
\define searchResults()
<$set name="resultCount" value="""<$count filter="[!is[system]search{$(searchTiddler)$}]"/>""">
{{$:/language/Search/Matches}}
</$set>
Edukt
<$set name="resultEdukt" value="[!is[system]search{$(searchTiddler)$}]">
<$list filter="[all[tiddlers]subfilter<resultEdukt>]">
</$list>
Produkt
<$set name="resultProdukt" value="[!is[system]search{$(searchTiddler)$}]">
<$list filter="[all[tiddlers]subfilter<resultProdukt>]">
</$list>
Reaktionverlauf
<$set name="resultReaktionsverlauf" value="[!is[system]search{$(searchTiddler)$}]">
<$list filter="[all[tiddlers]subfilter<resultReaktionsverlauf>]">
</$list>
Reaktionstyp
<$set name="resultReaktionstyp" value="[!is[system]search{$(searchTiddler)$}]">
<$list filter="[all[tiddlers]subfilter<resultReaktionstyp>]">
</$list>
\end
<<searchResults>>