create table t (
FTS_DOC_ID bigint unsigned not null,
contents text collate utf8mb4_bin,
primary key (FTS_DOC_ID),
fulltext key fx_contents (contents) with parser ngram
) engine=innodb default charset=utf8mb4 collate=utf8mb4_bin;
insert into t values (1, 'xyz mnt'), (2, 'xyz mnt'), (3, 'xyz');
select * from t where match(contents) against ('xyz mnt' in boolean mode) limit 1;
FTS_DOC_ID	contents
1	xyz mnt
select * from t where match(contents) against ('xyz mnt' in boolean mode) limit 2;
FTS_DOC_ID	contents
1	xyz mnt
2	xyz mnt
select * from t where match(contents) against ('xyz mnt' in boolean mode) limit 3;
FTS_DOC_ID	contents
1	xyz mnt
2	xyz mnt
3	xyz
select * from t where match(contents) against ('xyz mnt' in boolean mode) limit 4;
FTS_DOC_ID	contents
1	xyz mnt
2	xyz mnt
3	xyz
select * from t where match(contents) against ('xyz mnt' in boolean mode) limit 5;
FTS_DOC_ID	contents
1	xyz mnt
2	xyz mnt
3	xyz
select * from t WHERE match(contents) against ('xyz mnt' in boolean mode) limit 6;
FTS_DOC_ID	contents
1	xyz mnt
2	xyz mnt
3	xyz
DROP TABLE t;