A typical example is more popular searches crowding out actual answers to your question.

I have had this a lot of times with IT problems, I am a sys admin and google a ton of things related to my job. But 5 out of 10 times some keyword will relate to a simple problem many people have with their pc and all relative answers to my exact question get drowned out.

Google anything related to 'laptop monitor turn off' and you will only find results telling you how to turn of sleep when you close the lid. No matter how much syntaxing or formatting you do with your search

If you want to spend some time, read up on polyvagal theory.

It explains for a part how stress can cause a lot of unhealthy side effects.