Perhaps you should try some spelling variations:
"Industrial development rest period" » "Industrial development west period", "Industrial development best period", "Industrial development forest period", "Industrial development rest periods", "Industrial development test period", "Industrial development last period"
"Industrial development risk period" » "Industrial development russia period", "Industrial development review period", "Industrial development rights period", "Industrial development crisis period", "Industrial development first period", "Industrial development brief period"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("Industrial development rest period") OR ("Industrial development risk period"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Industrial development rest period\") OR (\"Industrial development risk period\"))*".
• Removing quotes may allow a broader search: (( Industrial development rest period ) OR ( Industrial development risk period ))*.