Originally Posted by HiFranc
One thing about using search engines that I've learnt is to always be prepared to rephrase your search key. If I'm investigating something I would change the search terms 5+ times.
At the risk of going off-topic, it's surprising how few people really know how to get the best out of Google.
Searching for "plane shares" (without the double-quotes) will return pages containing the word "plane" and the word "shares" (but not necessarily both words together). If you
include the double quotes, it will only return pages with the two words together.
Also, few people know that you can use the keyword "OR", which does exactly what you would expect. So the best search phrase would have been "plane OR aeroplane OR aircraft shares" (without the double quotes in this case).