If you work at a recruiting agency, the following Boolean Strings would be useful for generating new business.
1) Find people who have recently started new jobs:
How can this help?
a) You might be able to work on back-filling the positions they have left;
b) For corporate recruiting people or hiring managers who just started new positions - they might be open to working with agencies, including new ones.
The following four strings can help to research companies, identify hiring managers, and shed some light on the reporting structure.
2) Identify managers:
3) Investigate the reporting structure:
Of course, we can add industry-specific keywords to the above searches, to get the results relevant to our business.