}
my $language_list = $isFiltered ? C4::Context->preference("AdvancedSearchLanguages") : undef;
my $language_list_cond = $language_list ? 'HAVING FIND_IN_SET(language_rfc4646_to_iso639.iso639_2_code, ?)' : '';
my $language_list_cond = $language_list ? 'AND FIND_IN_SET(language_rfc4646_to_iso639.iso639_2_code, ?)' : '';
my $sth = $dbh->prepare("
SELECT
-