Perhaps you should try some spelling variations:
"harold road transportation services." » "harold road transport services.", "harold urban transportation services.", "harold rail transportation services.", "harold gas transportation services.", "hard road transportation services."
"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."

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: (("harold road transportation services.") OR ("harold firms transaction cost."))~.
• Removing quotes may allow a broader search: (( harold road transportation services. ) or ( harold firms transaction cost. ))~.
• Adding a wildcard symbol may retrieve word variants: (("harold road transportation services.") or ("harold firms transaction cost."))*.