You most likely have SafeSearch turned on.

Everything on our domains is explicit, and you can confirm this in the page metadata:

HTML
<meta name="RATING" content="RTA-5042-1996-1400-1577-RTA">
<meta name="RATING" content="mature">

To see NSFW results, turn SafeSearch off in your Google or Microsoft account settings.

Reference: https://support.google.com/websearch/answer/510