Perhaps you should try some spelling variations:
archaeological effects » archaeological objects, rheological effects, archaeological ethics
archaeological thefts » archaeological texts, archaeological theory, archaeological ethics
archaeological gifts » archaeological guides, archaeological finds, archaeological glass

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: ((((archaeological effects) OR (archaeological gifts))) OR (archaeological thefts)) / egypt.
• Adding a wildcard symbol may retrieve word variants: ((((archaeological effects) or (archaeological gifts))) or (archaeological thefts)) / egypt*.