Here’s a great tip to find results from a specific time period. You can change or add
the following term to the end of the URL. Some examples:
Starting with a search in the last month: &tbs=qdr:m&tbs=qdr:m2 will give you two months,&tbs=qdr:d4 will give you four days.&tbs=qdr:y3 will give you three years.
See where this is going? This allows you more specific control than is offered by the links on the left of the Google page.
Tell us your Google tips in the comments.