No more segments found

My segments are all right. Maybe the recorded path did not match the predefined segment close enough, or there were some deviations within it, for example due to the a GPS failure. Zoom close on the track in the map and verify that it really matches the segment well.

Mine still not. On the latest activity I created now a segment. It doesn't appear on this activity... so something must be wrong!
At an older activity I had 11 segments, I did the "search for new segments" stuff (I don't know exactly the word in English), now it's just 2 segments...

On the phone app, go to Menu » Training » Segments, tap the triple dot up right and verify that the checkbox Garmin Segments is enabled. If you use Strava segments as well, then that too. AFAIK, this setting is for some reasons not accessible anywhere on the web version of GC.

On an android I see no possibility to enable or disable segments, I seem to be blind or stupid or both??

Did you follow the path I gave?

Menu » Training » Segments, tap the triple dot up right 

What options do you get there?

Yes, I did. On the top right are no triple dots! There is the glass (to search sth) and the sign of a mobile (to send it to a device), but no three dots.

So you do not have this triple dot symbol in your app?

No, there is no such sign??

OK, maybe it is available only when a Strava account is linked to GC. In such case it should be (hopefully) active. If you want to be sure, add a Strava account, and then try again.