Many of us have wondered why Google+ didn’t launch with a search feature. I mean, it’s Google. Still, there are ways to search it that should suffice, at least until Google finally launches an official feature.

Developer Andrew Shen, for example, has created a browser extension called Search Extension for Google Plus, which searches Google+ public contents and profiles. It includes filters for

• All contents
• Only posts
• Only profiles
• Only posts from Buzz
• Only posts from Google Reader

There is also an Android app for it.

If you don’t want to install anything, you can still use the search engine, as it’s simply available at googleplussearch.chromefans.org. It’s built on Google Custom Search. On the site, it also provides “Hot Trends” from Google+.

Also, don’t forget that Wajam recently started letting users add their Google+ circles to its social search experience. This will allow results from people you’re connected with on Google+ to appear in results as you search Google, Bing, Yahoo and various other sites.