Perhaps you should try some spelling variations:
2.2 archaeometallurgy » _ archaeometallurgy, 1 archaeometallurgy, 10 archaeometallurgy
2c archaeometallurgy » _ archaeometallurgy, 1 archaeometallurgy, 10 archaeometallurgy
27 metallurgy » _ metallurgy
2c thesis » _ thesis, a thesis, my thesis
2 thesis » 2 thess, 2 thesen, 2 themes
2c metal » c metal, ic metal, sc metal
2 maldi » 12 maldi, 27 maldi, _ maldi
2 theil » 2 theilen

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%((2c thesis) OR (((2 thesis) OR (2 theil))))%((2c archaeometallurgy) OR (2.2 archaeometallurgy))%2c metal%22.
• Adding a wildcard symbol may retrieve word variants: %22archaeology%27 metallurgy%2 maldi%((2c thesis) or (((2 thesis) or (2 theil))))%((2c archaeometallurgy) or (2.2 archaeometallurgy))%2c metal%22*.