探 means to search and is a JLPT N3 kanji. It has 11 strokes and uses the Hand (side) radical (扌).
Stroke order · 11 strokes
On'yomi (音読み)
タン
Kun'yomi (訓読み)
さぐ(る)、さが(す)
Radical
扌 · Hand (side)
Strokes
11
How to remember 探
Reaching in with the hand (扌) and groping deep (the right side of 深) — searching for keys in the dark. 探す — lost items, a new home, the meaning of life; all searched for with 探す.