Perhaps you should try some spelling variations:
"royal african companies" » "royal american companies", "royal african colonies", "royal african communities"
"rural african company's" » "rural africa company's", "rural america company's"

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: (("royal african companies") OR ("rural african company's")).
• Removing quotes may allow a broader search: (( royal african companies ) or ( rural african company's )).
• Adding a wildcard symbol may retrieve word variants: (("royal african companies") or ("rural african company's"))*.