In no order :

A Time for Drunken Horses (Iran)
The Wind will Carry us (Iran)
The Day I Became a Woman (Iran)
Chungking Express (Hong Kong)
Salaam Bombay (India)
Apu Trilogy (India)
Bangkok Dangerous (Thailand)
Vive L'Amour (Taiwan)
Vengenace is Mine (Japan)
Zero Kelvin (Norway, I think)
Dersu Uzala (Japan)
The Merchant of Four Season's (German)
The Tree of Wooden Clogs (Italian)
The Road Home (China)
Aquirre the Wrath of God (German)
Eureka (Japan)
Come and See (Russian)
Closely Watched Train (Czech)
In the Mood for Love (Hong Kong)
The King of Mask (China)
La Terra Trema (Italy)
Stroszek (German)
To Live (China)
The Isle (Korea)
Birdcage Inn (Korea)
Failan (Korea)
Christmas in August (Korea)
Persona (Sweden)
Not One Less (China)
Spirit of the Beehive (Spain)
So Close to Paradise (China)
Sennen-Tabito (Japan)
Twilight Samurai (Japan)
Suzhou (China)
Marriage is a crazy thing (Korea)
Virgin Stripped Bare by her Bachelors (Korea)

   I limited myself to only DVD's which I own and watched.  I also, tried to limit myself to more recent, unless the older movie is so great, it has to be mentioned.  I know I went over your limit of 20, sorry, too many great movies to limit to 20.  Much, much more could be listed.