Perhaps you should try some spelling variations:
"harold firms transaction cost." » "harold firms transactional cost.", "harold from transaction cost.", "harold sales transaction cost.", "harold firms transaction costs.", "harold firms transactions costs.", "held firms transaction cost.", "harold adams transaction cost.", "harold sir transaction cost."
"harold sales sanitation services." » "harold safe sanitation services.", "harold scale sanitation services.", "harold water sanitation services.", "harold james sanitation services.", "hand sales sanitation services."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("harold sales sanitation services.") or ("harold firms transaction cost."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harold sales sanitation services.") OR ("harold firms transaction cost.")).
• Removing quotes may allow a broader search: (( harold sales sanitation services. ) or ( harold firms transaction cost. )).
• Adding a wildcard symbol may retrieve word variants: (("harold sales sanitation services.") or ("harold firms transaction cost."))*.