unemployment and stimulus check

Terry – 2018 I worked in vietnam for 5 months – 2019 worked in Thialand for 4 months – teaching English – I didn’t make enough money to file taxes – since I am back in the US – I applied for unemployment – I put down last time I worked was May 2017 in the US – My total unemployment says $0 – there was a question about I can’t work due to Covid-19 which I answered yes – I know they keep changing guide lines on unemployment – do I qualify – if so how do I go about doing this – thank you in advance for all your help