Perhaps you should try some spelling variations:
"international humanitarian food series" » "international humanitarian field series", "international humanitarian crowd series", "international humanitarian force series", "international humanitarian flood series", "international humanitarian food services", "international humanitarian food species"
"international humanitarian how stories" » "international humanitarian hawg stories", "international humanitarian law stories", "international humanitarian crowd stories", "international humanitarian new stories"

Try widening your search to All Fields.

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: (("international humanitarian food series") OR ("international humanitarian how stories")).
• Removing quotes may allow a broader search: (( international humanitarian food series ) or ( international humanitarian how stories )).
• Adding a wildcard symbol may retrieve word variants: (("international humanitarian food series") or ("international humanitarian how stories"))*.