Investigators search for related paths in compilations such as jawami‘ (comprehensive collections), masanid (Companion-based collections), and ajza’ (focused hadith booklets). Their differing arrangements make it possible to locate variants in distinct places.
Jami‘: a broad collection arranged by subjects, as in al-Bukhari's topical books and chapters.
Musnad: narratives organized by the Companion who transmitted them.
Juz’: a focused collection often centered on a particular issue or small body of reports.
A proper search records complete chains, variant wording, continuity, and transmitter information, rather than only noting that two texts look alike.