Perhaps you should try some spelling variations:
"national investment strategies series" » "national investment strategy series", "national development strategies series", "national investment rates series", "international investment strategies series", "capital investment strategies series", "national treatment strategies series", "national investment strategies during", "national investment strategies some", "national investment 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 investment strategies series") or ("industrial development center series"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("national investment strategies series") OR ("industrial development center series")).
• Removing quotes may allow a broader search: (( national investment strategies series ) or ( industrial development center series )).
• Adding a wildcard symbol may retrieve word variants: (("national investment strategies series") or ("industrial development center series"))*.