The most common and most likely answer to this crossword clue is the 10 letter word REDISCOVER
I've seen this crossword clue in The Daily Telegraph
R
E
D
I
S
C
O
V
E
R
More clues leading to the result REDISCOVER
Buddy explains!

The straight part
We know that "Again find" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case again find = rediscover.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does REDISCOVER mean?
REDISCOVER verb- To discover again; especially something previously lost or forgotten.