Google is crap... but I am going to devil's advocate here for a moment.

If you look up just "Happy woman" they are mostly pictures of white women.

Hispanic, Asian, black... they often state the race when they write an article or post a picture, so the algorithm picks that up. White people, not so much. White people mainly just identified as people unless they commit a crime or are in a biracial relationship so that is what the results would logically show.

That being said, if it gets around to Google that looking up "happy woman" has a lot of white people in the result, I am sure they would change the results because, again, they are crap.

Also looking up "beautiful woman". Even more white than "Happy woman".