SEO Magento: Meta title & Meta description are ignored by Google Serps

Hello freelancers, I don't know if anyone can help, but I'll see about that. I've written meta titles and meta description for categories, which are also taken over by Google SERPS. But the meta titles and meta descriptions I entered for some products in Magento backend are completely ignored by Google - even after a few days of waiting. If I look into the source code, I can see that product name and description are used as metadata (not meta title and meta description). I don't know whats going wrong and I would appreciate your help. My site is a booking portal for unusual hotels and accommodations at [login to view URL] Please take a look at the following example: [login to view URL] Meta Title in backend is: 'Circus hotel Raluy | Stay in a real circus in Barcelona!' Meta description: 'Live like a artist and take a look behind the scenes of a travelling circus in Spain. Overnight stay in a historic circus caravan | book from € 235,-' But the Google Serps take over the product name and description (see also source code). Anybody got any idea what's the cause for that issue? The site ranks still very low after three months at Google and I don't see any organic growth despite constant adjustment via Google Search Controle. Maybe someone can help me also in this point. I am looking forward to suggestions with exact cost estimates! Please read before bidding and calculate the price carefully. I do not accept price discussions or price changes in retrospect. If this is not possible, please inform us accordingly! Thank you! I look forward to working with you! Regards, Stefan T.