List fulltext papers with title

cypher

```cypher
MATCH (p:Paper)-[pr:PAPER_HAS_BODY_TEXT]->(c:Body_text:CollectionHub)-[r:BODY_TEXT_HAS_BODY_TEXT]->(t:Body_text)
WITH p.title as title,collect({txt:t.text, pos:r.position}) as text
UNWIND text as t
WITH title, t
order by t.pos
RETURN title, collect(t.txt) limit 4
```