It is interesting, because does not match to my experience. Can you give an example of your search query that does not work well enough on DDG?
I want 'amorphid', not 'amorphis'.
works. More tips under "duckduckgo search syntax".
This said, I think google is more accurate. But duckduckgo works well enough and is my default search engine now (Google lost me with THE ONE GOOGLE aggregation since quite a while ago)