Try choosing those with 4 stars also since that represents a better chance of connection to the host.

You can also check to see which client you're downlding from by right-clicking the top of the search results column & choosing to show Vendor/Version. If you see that the host is RAZA (Shareaza) then you may have problems getting a successful downld from them or even connecting. Some other clients can be difficult also, but raza is more consistently unreliable.