Perhaps you should try some spelling variations:
"aging local transportation service" » "aging local transportation services", "aging local transport service", "aging local transportation policy", "aging road transportation service", "aging rural transportation service", "aging urban transportation service", "aging social transportation service", "engaging local transportation service", "framing local transportation service"
"making local transportation service" » "making local transportation services", "making local transport service", "making local transportation policy", "making road transportation service", "making rural transportation service", "making urban transportation service", "making global transportation service", "making social transportation service", "mining local transportation service"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("aging local transportation service") OR ("making local transportation service"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"aging local transportation service\") OR (\"making local transportation service\"))".
• Removing quotes may allow a broader search: (( aging local transportation service ) OR ( making local transportation service )).
• Adding a wildcard symbol may retrieve word variants: (("aging local transportation service") OR ("making local transportation service"))*.