Perhaps you should try some spelling variations:
2.2 archaeometallurgy » _ archaeometallurgy, 1 archaeometallurgy, social archaeometallurgy
10 archaeometallurgy » 1 archaeometallurgy, _ archaeometallurgy, archaeometallurgy _
2 maldi » 12 maldi, 27 maldi, _ maldi
c metal » sic metal, c methyl

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%((_ metallurgy) OR (27 metallurgy))%2 maldi%_ thesis%((2.2 archaeometallurgy) OR (10 archaeometallurgy))%c metal%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22archaeology%((_ metallurgy) or (27 metallurgy))%2 maldi%_ thesis%((2.2 archaeometallurgy) OR (10 archaeometallurgy))%c metal%22".
• Adding a wildcard symbol may retrieve word variants: %22archaeology%((_ metallurgy) or (27 metallurgy))%2 maldi%_ thesis%((2.2 archaeometallurgy) OR (10 archaeometallurgy))%c metal%22*.