Perhaps you should try some spelling variations:
2.2 archaeometallurgy » _ archaeometallurgy, 1 archaeometallurgy, 10 archaeometallurgy
tic metal » sic metal, toxic metal, zinc metal
2c thesis » 2 thesis, _ thesis, a thesis
ic metal » sic metal, c metal, sc metal
2 mali » 2 maldi, 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 (tic metal))lurgy) OR (_ metallurgy))%2 mali%2c thesis%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) or (_ metallurgy))%2 mali%2c thesis%2.2 archaeometallurgy%((ic metal) OR (tic metal))%22".
• Adding a wildcard symbol may retrieve word variants: %22archaeology%((((ic metal) OR (tic metal))lurgy) or (_ metallurgy))%2 mali%2c thesis%2.2 archaeometallurgy%((ic metal) OR (tic metal))%22*.