Perhaps you should try some spelling variations:
c metallurgy » _ metallurgy, 4 metallurgy, v metallurgy
2 maldi » 12 maldi, 27 maldi, _ maldi
25 maii » 25 mai, 25 main, 15 maii
26 maii » 26 mai, 26 martii
c metal » sic metal, c methyl
2 maii » 20 maii, 28 maii, 29 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%c metallurgy%((((2 maldi) OR (((2 maii) OR (25 maii))))) OR (26 maii))%a thesis%_ archaeometallurgy%c metal%22.
• Adding a wildcard symbol may retrieve word variants: %22archaeology%c metallurgy%((((2 maldi) or (((2 maii) or (25 maii))))) or (26 maii))%a thesis%_ archaeometallurgy%c metal%22*.