Ads problem [Google Adsense]

hello i have a problem . In some articles i post in my blog (the articles are not in a specific category they don’t have a certain theme ) google ads dont apear. I will give you some links for examples

1. here they dont apear. For some reason https://kwloxaneio.gr/sto-esoteriko-mias-porsche-carrera-tin-stigmi-pou-skai-lasticho-332-chlm-sto-konter-binteo/

2. Here they do apear. https://kwloxaneio.gr/kissingker-prepi-na-xekanoume-tous-ellines/

Thanks u very much every help is valuable.