135 Dig up
(PW) find, recall, discover
Have you dug up any information on the new employee?
(dictionary)
a. to discover in the course of digging.
b. to locate; find: to dig up information.
(your) Search out, find, obtain, as in
I'm sure I can dig up a few more supporters. [Mid-1800s]
dig up some dirt or the dirt. Find derogatory information about someone or something. For example, The editor assigned him to dig up all the dirt on the candidates. The slangy use of the noun dirt for “embarrassing or scandalous information” dates from about 1840, but this metaphoric expression is a century newer.