Perhaps you should try some spelling variations:
2.2 archaeometallurgy » _ archaeometallurgy, 1 archaeometallurgy, 10 archaeometallurgy
2c archaeometallurgy » _ archaeometallurgy, 1 archaeometallurgy, 10 archaeometallurgy
tic metal » sic metal, toxic metal, zinc metal
ic metal » sic metal, c metal, sc metal
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%((ic metal) OR (tic metal))lurgy%2 maldi%_ thesis%((2c archaeometallurgy) OR (2.2 archaeometallurgy))%((ic metal) OR (tic metal))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22archaeology%((ic metal) OR (tic metal))lurgy%2 maldi%_ thesis%((2c archaeometallurgy) or (2.2 archaeometallurgy))%((ic metal) OR (tic metal))%22".
• Adding a wildcard symbol may retrieve word variants: %22archaeology%((ic metal) OR (tic metal))lurgy%2 maldi%_ thesis%((2c archaeometallurgy) or (2.2 archaeometallurgy))%((ic metal) OR (tic metal))%22*.