Liebessuche is a 19th-century salon work characterized by a wandering, chromatic melody that explores the concept of 'searching'. It uses Romantic-era harmony to build tension through a series of unresolved modulations.
Use careful rubato to bring out the wandering, searching character of the harmonic shifts.
Comparable difficulty and character — good candidates for what to learn next.
"Liebessuche" is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 5.
You should be comfortable at Henle level 3 — meaning you can already play level 2–3 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of "Liebessuche" lasts about 4 minutes.
"Liebessuche" is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include Auf Wiedersehen by Karl Jürgens, Prelude in E minor, No. 4 by Frédéric Chopin, Black and Blue by Fats Waller — see the full similar-pieces list on this page.