Sorry... I didn't realize you were describing songs listed in the iTunes Store. I thought it was your iTunes library.
I did what I think is the same search, and it does give me a list that ends at 100 songs. That appears to be the max for a search in iTunes Store. If you know anything else about the song, such as a word from the album title, add it to the search entry to get more specific results that are under 100. Obviously, artist name would be useful to add to the search entry, but you probably would not be asking this question if you knew the artist name. 😉
iTunes Store is not the best place to do such a generalized search. Instead, use Safari with any search website, like Google (or your preferred search engine). Then, you'll get as many results as you could ever want. Searching with just "for good" is a bit too vague. For example, search using the query
song title "for good"
That's probably still too vague, so if you know anything else about the song, such as key words from the song's lyrics, or where/how you heard the song, add them to your search query. Once you know more about the song, do a more "refined" search in iTunes Store.