Perhaps you should try some spelling variations:
2.2 archaeometallurgy » _ archaeometallurgy, 1 archaeometallurgy, 10 archaeometallurgy
2c archaeometallurgy » _ archaeometallurgy, 1 archaeometallurgy, 10 archaeometallurgy
12 metallurgy » 10 metallurgy, 11 metallurgy, 2 metallurgy
25 maii » 25 mai, 25 main, 26 maii
c metal » sic metal, c methyl
2 mali » 2 maldi, 2 male
2 maii » 26 maii, 20 maii, 28 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%12 metallurgy%((((2 mali) OR (2 maii))) OR (25 maii))%a thesis%((2c archaeometallurgy) OR (2.2 archaeometallurgy))%c metal%22.
• Adding a wildcard symbol may retrieve word variants: %22archaeology%12 metallurgy%((((2 mali) or (2 maii))) or (25 maii))%a thesis%((2c archaeometallurgy) or (2.2 archaeometallurgy))%c metal%22*.