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