usually no search or poor search results depend on whether your connecting as a primary or secondary.
And whether you have ports set correctly if your primary.
If your using a secondary it could just be that your connecting to bad primaries.
First thing to do is to make sure you have the right patch, this not only filters fakes but also makes sure you connect to other protected filtering primaries.
https://www.winmxgroup.com/ - For users of 3.54 the download on the home page is fine, for users of 3.53 click the link at the top left that says 'Downloads' then choose Install-3.0-MultiVer.exe
Install this being sure to choose your current version then post back here. If you are still having issues please tell us more details about your Connection type, WinMX Version, and whether you have a DSL modem that needs configured (name and model)