Bird-dog and Dig up

Bird-dog verb - To go after or on the track of.

Dig up and bird-dog are semantically related In some cases you can use "Dig up" instead a verb phrase "Bird-dog".

Dig up verb - To come upon after searching, study, or effort.

Bird-dog and dig up are semantically related in follow topic. Sometimes you can use "Bird-dog" instead a verb "Dig up".