If you are always looking for good images and photos for your day to day activities and you don't know Office Online, I advise you to give a check on it (click here).
The past link will send you to the US site of Office Online but if you want to see the page in a different language just click on the "United States (change)" message that appears on that page in the top left side... like in the following image:
To search for clipart you just need to select the type of clipart and then write the keyword you think describes best the kind of images you want to have:
Then the rest of the steps are going to be very simple to discover! And for the graphic designers there is a good new... many of the images are in vector format.