Well first thing is first ...
What is Zuaya ? Looks to be a city in Africa. That's a start but where's the benefit of having Zuaya compared to Niger or Congo ? Zuaya doesn't look to be popular so scratch that notion off unless you want to wait ten or twenty years for people to start migrating to Zuaya. Next think about anything related to the name ... What's the meaning to you ? Estibot is a very useful tool in this situation. According to Estibot: $75... Now why does it have that value ? Explore and then seek out familiar companies that you think would have interests in such. Domains are a commodity and some are worth millions and some are worth cents. Do your homework and you'll always rise to the top