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