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

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%((sc metallurgy) OR (2 metallurgy))%((2 maldi) OR (_ maldi))%2c thesis%((2c archaeometallurgy) OR (archaeometallurgy _))%sc metal%22.
• Adding a wildcard symbol may retrieve word variants: %22archaeology%((sc metallurgy) or (2 metallurgy))%((2 maldi) or (_ maldi))%2c thesis%((2c archaeometallurgy) or (archaeometallurgy _))%sc metal%22*.