A filter works only in English letters. When I tried to change tag name “алтан товч” or something which is in Mongolian language, a table won’t show any records. If I changed a filter record to “Science” or “News and Events”, a table shows records.
A filter categories has same result.
But a filter of authors is works properly. When I changed filter record to “Номын санч” which is in Mongolian language, a table shows records.
I think that a filter doesn’t work in Mongolian characters.