| hit upon(verb, phrasal verb, search, effort) |
| hunt(verb, search, effort, investigation) |
| hunt through(verb, phrasal verb, search, effort) |
| inquire(verb, search, investigation) |
| inquire into(verb, phrasal verb, search, investigation) |
| inspect(verb, search, effort, investigation) |
| investigate(verb, search, effort, investigation) |
| learn(verb, search, effort) |
| libro(verb, debate, contemplate, ponder, cogitate) |
| locate(verb, search, effort) |
| look(verb, search, investigation) |
| look into(verb, phrasal verb, search, investigation) |
| look over(verb, phrasal verb, search, effort) |
| pat down(verb, phrasal verb, search, effort) |
| peruse(verb, search, effort, investigation) |
| plumb(verb, search, investigation) |
| poke(verb, search, effort) |
| poke around(verb, phrasal verb, search, effort) |
| probe(verb, search, investigation, effort) |
| prospect(verb, search, effort, investigation) |