There are two threads at Google Web Search Help where there are two search suggestions that Google has listened to as a possible addition to Google’s advanced search.

The first thread talks about how some searchers want a NEAR operator to search for phrases on web pages, but to specific that those pages be near each other. Specifically, the searcher said:

Googler, Jem said:

There is also a image search suggestion where someone wants the ability to exclude certain image filters. Currently there are filters to filter image filters for news, face, clip art, line drawings and photos, but no way to say, I want to exclude any of those specific types. For example, I want all images for a query except for images that are faces. Googler, Jem said:

Forum discussion at Google Web Search Help.