noun, noun or participle which takes 'suru'
searching far and wide; extensive search
A somewhat formal or literary term for a thorough, wide-ranging search. Often used in contexts like research, investigation, or gathering information from many sources.
資料を博捜して論文を書いた。
I wrote the paper after searching far and wide for materials.
彼は古書店を博捜
He searched extensively through secondhand bookstores and found a rare book.