To dream that you are digging, indicates that you are working too hard to uncover the truth in a problem that is haunting you. You may also be overly preoccupied with trying to find out about yourself , your reputation, and your self-identity. Alternatively, the dream suggests that you are working on getting to the root of some issue. Or the dream could be a metaphor to imply an insult.
To dream that you dig a hole and find something, may be a pun that you "dig something", as in you like it or appreciate it. Or it may also refer to someone that you might be "digging" or like. Alternatively, the dream suggests that you need to be more open minded and welcome new ideas.
To dream that you dig a hole and fill it with water, denotes that no matter how hard you try, your efforts will not make things go your way. You need to learn to compromise.
To dream of digging, denotes that you will never be in want, but life will be an uphill affair. To dig a hole and find any glittering substance, denotes a favorable turn in fortune; but to dig and open up a vast area of hollow mist, you will be harrassed with real misfortunes and be filled with gloomy forebodings. Water filling the hole that you dig, denotes that in spite of your most strenuous efforts things will not bend to your will.
Searching, looking for, or trying to recover something
Delving into matters from the past
Trying to understand
Trying to find out the truth about something
Trying to hide or escape