It's always a good idea to keep a record of you search results for any assessment. Keeping a record will help you have a clear idea around
Keeping a record of these will have you well on your way to writing up your work. It will help you (and save you time) when it comes to writing and referencing your work.
The file below is one example of how you can keep a record of your research. You can download it and adapt it as you like.