> For the complete documentation index, see [llms.txt](https://doc.thordata.com/doc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.thordata.com/doc/faq/product-problem.md).

# Product Problem

{% content-ref url="/pages/hsvOzcGWJ1MmLs65AtnN" %}
[How do I choose the right proxy package?](/doc/faq/product-problem/how-do-i-choose-the-right-proxy-package.md)
{% endcontent-ref %}

{% content-ref url="/pages/zkPF2MDFrjHd0mo8ufka" %}
[How to target specific countries/regions?](/doc/faq/product-problem/residential-proxies/how-to-target-specific-countries-regions.md)
{% endcontent-ref %}

{% content-ref url="/pages/32hifdJkjdy50lOzGDo3" %}
[How to target a specific city?](/doc/faq/product-problem/residential-proxies/how-to-target-a-specific-city.md)
{% endcontent-ref %}

{% content-ref url="/pages/B8H6rPKgb8wqYNOv20KI" %}
[Why is it not effective to use our proxies in a fingerprint browser？](/doc/faq/product-problem/why-is-it-not-effective-to-use-our-proxies-in-a-fingerprint-browser.md)
{% endcontent-ref %}