You can save any search and access them quickly on a "Saved Searches" page.
To save a search:
1) Search (to learn more about how to search, check this article)
2) You will go to a "Search Results" page.
3) There you will find a SAVE THIS SEARCH button. Click on it and your search will be saved.
To access your Saved Searches, go to Search > Saved Searches as shown in the picture below