Perhaps you should try some spelling variations:
2c archaeometallurgy » 2.2 archaeometallurgy, _ archaeometallurgy, 1 archaeometallurgy
ic metallurgy » i metallurgy, ii metallurgy, zinc metallurgy
2 thesis » 2 thess, 2 theil, 2 themes
ic metal » sic metal, tic metal, c 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%((ic metallurgy) OR (_ metallurgy))%2 maldi%2 thesis%2c archaeometallurgy%ic metal%22.
• Adding a wildcard symbol may retrieve word variants: %22archaeology%((ic metallurgy) or (_ metallurgy))%2 maldi%2 thesis%2c archaeometallurgy%ic metal%22*.