Perhaps you should try some spelling variations:
2.2 archaeometallurgy » _ archaeometallurgy, 1 archaeometallurgy, 10 archaeometallurgy
2c metallurgy » 27 metallurgy, 2 metallurgy, 10 metallurgy
12 maldi » 16 maldi, 17 maldi, _ maldi
2c metal » c metal, ic metal, sc metal
2 maldi » 27 maldi, _ maldi, a maldi
2 male » 2 make

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: %22archaeology%((2c metallurgy) OR (_ metallurgy))%((((2 maldi) OR (12 maldi))) OR (2 male))%a thesis%2.2 archaeometallurgy%2c metal%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22archaeology%((2c metallurgy) or (_ metallurgy))%((((2 maldi) OR (12 maldi))) or (2 male))%a thesis%2.2 archaeometallurgy%2c metal%22".
• Adding a wildcard symbol may retrieve word variants: %22archaeology%((2c metallurgy) or (_ metallurgy))%((((2 maldi) OR (12 maldi))) or (2 male))%a thesis%2.2 archaeometallurgy%2c metal%22*.