Before you try this, understand the law. Accessing a password-protected system you don't own is illegal under the in the US and similar laws globally. However, viewing publicly indexed content that requires no login is generally considered legal, though ethically gray.
The search query inurl:view.shtml hotel rooms is typically used to find specific web pages (often older CGI-based hotel booking or room availability systems) that contain "view.shtml" in the URL and the words "hotel rooms" on the page. inurl view.shtml hotel rooms
When entered into a search engine, this string attempts to find: Unsecured Live Feeds: Before you try this, understand the law