Perhaps you should try some spelling variations:
"american transactions series" » "theatrical transactions series", "american taxation series", "american relations series", "american transactions server", "american transactions theories", "american transaction services"
"american plantations series" » "american populations series", "american relations series", "american population series", "american plantations verses", "american implantation series", "american plantations scenes"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"american transactions series\") OR (\"american plantations series\"))".
• Removing quotes may allow a broader search: (( american transactions series ) OR ( american plantations series )).
• Adding a wildcard symbol may retrieve word variants: (("american transactions series") OR ("american plantations series"))*.