Perhaps you should try some spelling variations:
"less- favored areas OR favored thread " » "less- favoured areas OR favored thread ", "less- flooded areas OR favored thread ", "less- covered areas OR favored thread ", "less- favored areas OR favored threat "
"less-favour areas" » "less-favoured areas"

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: (("less-((favored areas) OR (favored thread))") OR ("less-favour areas")).
• Removing quotes may allow a broader search: (( less-((favored areas) OR (favored thread)) ) or ( less-favour areas )).
• Adding a wildcard symbol may retrieve word variants: (("less-((favored areas) OR (favored thread))") or ("less-favour areas"))*.