Which is the the right keyword for the domains? (Japanese and Czech man come in, thx)

[wimpu]

I have two domains,but the traffic seems are not English traffic.
one is sticker20.com seems from Japan ,what does this website mean by sticker20.com? which is the best keyword?
and blue-world-air.com seems from Czech traffic ,and that blue-world-air.cz

selling? what is the best keyword for this domain?

 

[likepeas]

I have two domains,but the traffic seems are not English traffic.
one is sticker20.com seems from Japan ,what does this website mean by sticker20.com? which is the best keyword?
and blue-world-air.com seems from Czech traffic ,and that blue-word-air.cz

selling? what is the best keyword for this domain?

its a movie : http://www.glosk.com/EZ/Barrandov/-765173/videos_en.htm

Tmavomodry Svet (Dark Blue World) - Air Force Combat 04/04

i'm czech btw.

 

[wimpu]

I am afraid it is wrong,
it is typo of blue-world-air.cz
what does blue-world-air.cz sell?

 

[likepeas]

I am afraid it is wrong,
it is typo of blue-world-air.cz
what does blue-world-air.cz sell?

oh that. its basically a airplane company which flight to many countries. btw on the footer they have : blue-world-air.com as their main site.

 

[wimpu]

well,I see,thanks
is it a big aviation company or a virtual flight games?

what is the best keyword in your mind?
I see they put .com as their email,do you think they want to buy this domain name?