Google & Bing:
Google has a large library of search operators that can help with internet-based research, below is just a selection of them.
| Overview: | Tool: | 
|---|---|
| General search | |
| Exact phrase search | |
| This or that | |
| Words in text | |
| Search within a website | |
| Links to a site | |
| Related sites | |
| Cached website view | |
| General search of Google Trends | |
| Specific search of Google Trends | |
| Compare 2 search terms | |
| Compare 3 search terms | 
Misc Google Search Tools:
- Combined Google Search
- Advanced Google Search
- Advanced Google Image Search
- Google Searches from Different Locations & Devices
Bing:
Bing has many of the same search operators offered by Google, but it has a few tricks not found anywhere else.
| Overview: | Tool: | 
|---|---|
| General search | |
| Exact phrase search | |
| Sites matching IP address | |
| Website feeds |