Then I can't expand the image to see the text from Captcha that I'm supposed to enter to do so. I can't get any search results because of this.
When this happens, use this direct link to Google Scholar. That will bypass this temporary stumbling block, and you will be able to search.
It will recognise if you are on campus, and our "@ University of Sydney" links will show up again.
If you are off-campus, you will need to put University of Sydney into your Scholar settings to make the links to our holdings appear in your search results.