- DELVE
- Reach (into), as an oversized purse
- Dig (into)
- Search (into)
- Investigate, with "into"
- Search deeply
- Dig deeply (into)
- Investigate
- Dig
- Really dig
- Inquire (into)
- Probe (into)
- Don't just scratch the surface
- Dig, as for information
- Examine carefully, with "into"
- Search deeply (into)
- Examine closely, with "into"
- Search deeply, with "into"
- Look thoroughly (into)
- Probe, with "into"
- Search, with "into"
- Go deeply (into)
- Probe
- Dig deeply
- Conduct exhaustive research (into)
- Research
- Look closely (into)
- __ into (investigate)
- Look (into)
- Do research
- Plunge (into)
- Investigate in detail
- Look deeply (into)
- Dig deep
- Fathom.
- Dig (into books, etc.) for information.
- Search for facts.
- Do research work
- Seek laboriously
- Seek to learn
- Research intensely
- Ferret
- Look into deeply
- Dig for data
- Investigate intensely
- Dig into files
- Search carefully
- Search for data
- Do intensive research
- Probe deeply
- Go (into)
- Go deep
- Burrow (into)
- Go deep into
- Research deeply
- Dig deep (into)
- Dig deeply with into
- Search
- Dig in
- Investigate deeply (with "into")
- Go deeper into matters
- ___ into (investigate)
- ___ into (examine)
- ___ into (explore in depth)
- Explore
- Inquire
- Do a deep dive, say
- Do painstaking research
- Conduct an exhaustive probe
- Conduct painstaking research
- Do exhaustive research
