Not clear if you are trying to find paid work or just go sailing.
If its the first, then its usually only magayachts who seek paid crew - and suggest you'd either need to be in right place or with right qualifications (or ideally both) to get that.
If its just sailing then keep accessing this site plus trawl the web for other crewfinding type sites and you'll pick up on others who do need help getting from A to B.
Any form of marine education will help. Maybe courses on navigation, weather, marine engineering, or even cooking would stand you in good stead - and all could be completed local to you.
If all you've sailed are Etchells (lovely boats by the way) maybe worth trying to get more experience on something more cruiser / racer oriented........
Hope this assists, and wish you well