Many people claim that dreams can be "interpreted" to learn information about the dreamer and/or their future.
For example:
Dream Moods offer assistance with interpreting symbols found in dreams.
Nail Clipper
To see or use a nail clipper in your dream implies that you need to rid something that is holding you back. It is time to move forward and grow. [Source]
Is there any evidence that these interpretations are more valid than random associations?