| delve for(expression, follow, pursue, investigate, scratch) |
| dragnet(verb, follow, pursue, investigate, scratch) |
| fan(verb, follow, pursue, investigate, scratch) |
| ferret out(verb, expression, follow, pursue, investigate) |
| fish(verb, follow, pursue, seek, investigate) |
| go after(verb, expression, follow, pursue, investigate) |
| inquire(verb, follow, pursue, seek, investigate) |
| investigate(verb, follow, pursue, seek, chase) |
| leave no stone unturned(verb, expression, idiom, follow, pursue) |
| look about(expression, follow, pursue, investigate, scratch) |
| look around(expression, follow, pursue, investigate, scratch) |
| look high and low(expression, idiom, follow, pursue, investigate) |
| look up |
| mine(verb, dig, excavate, quarry) |
| mouse(verb, follow, pursue, investigate, scratch) |
| nose(verb, follow, pursue, investigate, scratch) |
| prowl(verb, follow, pursue, investigate, scratch) |
| ransack(verb, follow, pursue, investigate, scratch) |
| root(verb, follow, pursue, seek, investigate) |
| run after(verb, expression, follow, pursue, investigate) |