No one here, including the administrator, will likely be able to give you the definitive answer that you are looking for.
The officials will tell you the offers are designed especially for you,that they have no influence on what the offers you get are, and,that sometime in the future you might get an offer that suits you.
The rest of us, based based on gathered opinion,and older advice might say,that it is your buying habit that is the reason things have changed in an unfavourable direction for you.
You could try searching the forum, or the internet for previous ideas on how best to organise your purchases and hope it is current and works favourably for you.