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