Perhaps you should try some spelling variations:
2c archaeometallurgy » 2.2 archaeometallurgy, 1 archaeometallurgy, 10 archaeometallurgy
_ archaeometallurgy » _ archaeometallurgical, archaeometallurgy _
v metallurgy » _ metallurgy, 4 metallurgy, 27 metallurgy
2c thesis » 2 thesis, _ thesis, i thesis
my thesis » _ thesis
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%v metallurgy%2 maldi%((((2c thesis) OR (my thesis))) OR (a thesis))%((2c archaeometallurgy) OR (_ archaeometallurgy))%c metal%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22archaeology%v metallurgy%2 maldi%((((2c thesis) OR (my thesis))) or (a thesis))%((2c archaeometallurgy) or (_ archaeometallurgy))%c metal%22".
• Adding a wildcard symbol may retrieve word variants: %22archaeology%v metallurgy%2 maldi%((((2c thesis) OR (my thesis))) or (a thesis))%((2c archaeometallurgy) or (_ archaeometallurgy))%c metal%22*.