Perhaps you should try some spelling variations:
2c archaeometallurgy » 2.2 archaeometallurgy, _ archaeometallurgy, 1 archaeometallurgy
27 metallurgy » _ metallurgy
2c thesis » _ thesis, a thesis, my thesis
2 thesis » 2 thess, 2 thesen, 2 theil
sc metal » sic metal, c metal, ic metal
25 maii » 25 mai, 25 main, 26 maii
2 mali » 2 maldi, 2 male, 2 maii

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 mali) OR (25 maii))%((2c thesis) OR (2 thesis))%2c archaeometallurgy%sc metal%22.
• Adding a wildcard symbol may retrieve word variants: %22archaeology%27 metallurgy%((2 mali) or (25 maii))%((2c thesis) or (2 thesis))%2c archaeometallurgy%sc metal%22*.