Perhaps you should try some spelling variations:
2.2 archaeometallurgy » _ archaeometallurgy, 1 archaeometallurgy, 10 archaeometallurgy
2c metallurgy » 27 metallurgy, 2 metallurgy, _ metallurgy
2c thesis » 2 thesis, _ thesis, a thesis
2c metal » c metal, ic metal, sc metal
17 maldi » 16 maldi, 27 maldi, 7 maldi
12 maldi » 16 maldi, 2 maldi, _ maldi
2 male » 2 make
2 mali » 2 maldi, 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 (((12 maldi) OR (17 maldi))))%2c thesis%2.2 archaeometallurgy%2c metal%22.
• Adding a wildcard symbol may retrieve word variants: %22archaeology%2c metallurgy%((((2 mali) or (2 male))) or (((12 maldi) or (17 maldi))))%2c thesis%2.2 archaeometallurgy%2c metal%22*.