Perhaps you should try some spelling variations:
2c archaeometallurgy » 2.2 archaeometallurgy, _ archaeometallurgy, 1 archaeometallurgy
2c metallurgy » 27 metallurgy, 2 metallurgy, _ metallurgy
2c thesis » _ thesis, a thesis, my thesis
2c metal » c metal, ic metal, sc metal
2 thesis » 2 thess, 2 theil, 2 themes
12 maldi » 16 maldi, 17 maldi, _ maldi
2 maldi » 27 maldi, _ maldi, a maldi
2 male » 2 make
2 mali » 2 maii

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%((((2 mali) OR (2 male))) OR (((2 maldi) OR (12 maldi))))%((2c thesis) OR (2 thesis))%2c archaeometallurgy%2c metal%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22archaeology%2c metallurgy%((((2 mali) or (2 male))) or (((2 maldi) or (12 maldi))))%((2c thesis) OR (2 thesis))%2c archaeometallurgy%2c metal%22".
• Adding a wildcard symbol may retrieve word variants: %22archaeology%2c metallurgy%((((2 mali) or (2 male))) or (((2 maldi) or (12 maldi))))%((2c thesis) OR (2 thesis))%2c archaeometallurgy%2c metal%22*.