Perhaps you should try some spelling variations:
"industrial investment treaties series" » "industrial investments treaties series", "industry investment treaties series", "initial investment treaties series", "industrial investment strategies series", "industrial investment activities series", "industrial investment incentives series", "industrial investment textiles series", "industrial investment theories series", "industrial investment forestiers series"
"industrial development case series" » "industrial development china series", "industrial development care series", "industrial development cass series", "industrial development case stories"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("industrial investment treaties series") OR ("industrial development case series"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"industrial investment treaties series\") OR (\"industrial development case series\"))".
• Removing quotes may allow a broader search: (( industrial investment treaties series ) OR ( industrial development case series )).
• Adding a wildcard symbol may retrieve word variants: (("industrial investment treaties series") OR ("industrial development case series"))*.