Perhaps you should try some spelling variations:
"national treatment strategies series" » "national investment strategies series", "national abatement strategies series", "national management strategies series", "national treatment strategies during", "national treatment strategies some", "national treatment strategies successes"
"industrial development center series" » "industrial development case series", "industrial development agencies series", "industrial development center survey"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("national treatment strategies series") or ("industrial development center series"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("national treatment strategies series") OR ("industrial development center series")).
• Removing quotes may allow a broader search: (( national treatment strategies series ) or ( industrial development center series )).
• Adding a wildcard symbol may retrieve word variants: (("national treatment strategies series") or ("industrial development center series"))*.