Perhaps you should try some spelling variations:
2.2 archaeometallurgy » _ archaeometallurgy, 1 archaeometallurgy, 10 archaeometallurgy
c metallurgy » _ metallurgy, 4 metallurgy, v metallurgy
2c thesis » 2 thesis, _ thesis, a thesis
17 maldi » 16 maldi, 27 maldi, 7 maldi
12 maldi » 16 maldi, _ maldi, 12 mai
2 maldi » 27 maldi, _ maldi, a maldi
c metal » sic metal, c methyl
2 male » 2 make
2 maii » 26 maii, 20 maii, 25 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%c metallurgy%((((2 maii) OR (2 male))) OR (((((2 maldi) OR (12 maldi))) OR (17 maldi))))%2c thesis%2.2 archaeometallurgy%c metal%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22archaeology%c metallurgy%((((2 maii) or (2 male))) or (((((2 maldi) OR (12 maldi))) or (17 maldi))))%2c thesis%2.2 archaeometallurgy%c metal%22".
• Adding a wildcard symbol may retrieve word variants: %22archaeology%c metallurgy%((((2 maii) or (2 male))) or (((((2 maldi) OR (12 maldi))) or (17 maldi))))%2c thesis%2.2 archaeometallurgy%c metal%22*.