Perhaps you should try some spelling variations:
2.2 archaeometallurgy » _ archaeometallurgy, 1 archaeometallurgy, 10 archaeometallurgy
2c thesis » 2 thesis, _ thesis, a thesis
2c metal » c metal, ic metal, wc metal
sc metal » sic metal, c metal, ic metal
20 maii » 20 mai, 30 maii, 26 maii
2 male » 2 make

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%((2c metal) OR (sc metal))lurgy%((20 maii) OR (2 male))%2c thesis%2.2 archaeometallurgy%((2c metal) OR (sc metal))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22archaeology%((2c metal) OR (sc metal))lurgy%((20 maii) or (2 male))%2c thesis%2.2 archaeometallurgy%((2c metal) OR (sc metal))%22".
• Adding a wildcard symbol may retrieve word variants: %22archaeology%((2c metal) OR (sc metal))lurgy%((20 maii) or (2 male))%2c thesis%2.2 archaeometallurgy%((2c metal) OR (sc metal))%22*.