Perhaps you should try some spelling variations:
2c archaeometallurgy » 2.2 archaeometallurgy, _ archaeometallurgy, 1 archaeometallurgy
2c thesis » a thesis, my thesis, i thesis
sic metal » c metal
2 thesis » 2 thess, 2 theil, 2 themes
2 mali » 2 maldi, 2 male
2 maii » 26 maii, 20 maii, 25 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%_ metallurgy%((2 mali) OR (2 maii))%((((2c thesis) OR (_ thesis))) OR (2 thesis))%2c archaeometallurgy%sic metal%22.
• Adding a wildcard symbol may retrieve word variants: %22archaeology%_ metallurgy%((2 mali) or (2 maii))%((((2c thesis) or (_ thesis))) or (2 thesis))%2c archaeometallurgy%sic metal%22*.