Perhaps you should try some spelling variations:
"alexander davison author" » "alexander davidson author", "alexander alison author", "alexander davidson's author", "alexander davis author", "alexander harrison author"
"alexander wilson author" » "alexander alison author", "alexander william author", "alexander thomson author", "alexander hudson author"

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: (("alexander wilson author") OR ("alexander davison author")).
• Removing quotes may allow a broader search: (( alexander wilson author ) or ( alexander davison author )).
• Adding a wildcard symbol may retrieve word variants: (("alexander wilson author") or ("alexander davison author"))*.