Perhaps you should try some spelling variations:
2c archaeometallurgy » 2.2 archaeometallurgy, _ archaeometallurgy, 1 archaeometallurgy
sic metallurgy » zinc metallurgy, i metallurgy, ii metallurgy
2c thesis » 2 thesis, a thesis, my thesis
sic metal » c metal
20 maii » 20 mai, 30 maii, 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%sic metallurgy%((2 mali) OR (20 maii))%((2c thesis) OR (_ thesis))%2c archaeometallurgy%sic metal%22.
• Adding a wildcard symbol may retrieve word variants: %22archaeology%sic metallurgy%((2 mali) or (20 maii))%((2c thesis) or (_ thesis))%2c archaeometallurgy%sic metal%22*.