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