If it’s the lengthier half of the phrase you can’t remember rather than a single key word, try writing out the first and last words and putting “AROUND + (the approximate number of missing words)“ between them. For example: amazon around(5) best
2)Google searches may vary depending on your search history and location. If you don't want these factors to alter your results, try the following things:
Do your search as normal. On the results page, add this code to the end of the URL: &pws=0
3)search by date
before:2019-3-2
after:2019-1-5
example: google around(4) easier before:2019-02-02 after:2019-1-1
4)add in the url : &num=3
&filter=0
4)add in the url : &num=3
&filter=0