Perhaps you should try some spelling variations:
2.2 archaeometallurgy » _ archaeometallurgy, 1 archaeometallurgy, 10 archaeometallurgy
2c archaeometallurgy » _ archaeometallurgy, 1 archaeometallurgy, 10 archaeometallurgy
ic metallurgy » i metallurgy, ii metallurgy, zinc metallurgy
12 maldi » 16 maldi, 17 maldi, _ maldi
ic metal » sic metal, tic metal, c metal
2 maldi » 27 maldi, _ maldi, a 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 metallurgy%((2 maldi) OR (12 maldi))%_ thesis%((2c archaeometallurgy) OR (2.2 archaeometallurgy))%ic metal%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22archaeology%ic metallurgy%((2 maldi) OR (12 maldi))%_ thesis%((2c archaeometallurgy) or (2.2 archaeometallurgy))%ic metal%22".
• Adding a wildcard symbol may retrieve word variants: %22archaeology%ic metallurgy%((2 maldi) OR (12 maldi))%_ thesis%((2c archaeometallurgy) or (2.2 archaeometallurgy))%ic metal%22*.