As of this writing, Basic (Free or Business “Premium”) LinkedIn accounts have more powerful search capabilities than LinkedIn Recruiter or Sales Navigator accounts. With a basic account, you can approximate almost every premium search filter available in LinkedIn Recruiter (priced around $10,000 per user per year). You can also search in ways that are unavailable in Recruiter.
For one example, you can search for unique filters such as Headlines and Skills and combine these other filters such as Company Size, Company Type, Years of Experience, or Schools using Boolean search strings.
Take a look at this comparison: