Perhaps you should try some spelling variations:
1 archaeometallurgy » 10 archaeometallurgy, 2.2 archaeometallurgy, social archaeometallurgy
2c metallurgy » 27 metallurgy, 2 metallurgy, _ metallurgy
2c thesis » 2 thesis, _ thesis, a thesis
2c metal » c metal, ic metal, sc 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%2c metallurgy%2 maldi%2c thesis%((1 archaeometallurgy) OR (((((_ archaeometallurgy) OR (_ archaeometallurgical))) OR (archaeometallurgy _))))%2c metal%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22archaeology%2c metallurgy%2 maldi%2c thesis%((1 archaeometallurgy) or (((((_ archaeometallurgy) OR (_ archaeometallurgical))) or (archaeometallurgy _))))%2c metal%22".
• Adding a wildcard symbol may retrieve word variants: %22archaeology%2c metallurgy%2 maldi%2c thesis%((1 archaeometallurgy) or (((((_ archaeometallurgy) OR (_ archaeometallurgical))) or (archaeometallurgy _))))%2c metal%22*.