Perhaps you should try some spelling variations:
1 archaeometallurgy » 10 archaeometallurgy, _ archaeometallurgy, 2.2 archaeometallurgy
2c thesis » 2 thesis, _ thesis, my thesis
2c metal » c metal, sc metal, wc metal
ic metal » sic metal, tic metal, c metal
a thesis » _ thesis
2 maldi » 12 maldi, 27 maldi, _ maldi

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 (ic metal))lurgy%2 maldi%((2c thesis) OR (a thesis))%1 archaeometallurgy%((2c metal) OR (ic metal))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22archaeology%((2c metal) or (ic metal))lurgy%2 maldi%((2c thesis) OR (a thesis))%1 archaeometallurgy%((2c metal) or (ic metal))%22".
• Adding a wildcard symbol may retrieve word variants: %22archaeology%((2c metal) or (ic metal))lurgy%2 maldi%((2c thesis) OR (a thesis))%1 archaeometallurgy%((2c metal) or (ic metal))%22*.