Perhaps you should try some spelling variations:
"coal sector development perspectives series" » "coal sector development objectives series", "coal sector development projects series", "coal sector development priorities series", "real sector development perspectives series", "oil sector development perspectives series", "social sector development perspectives series"
"can private investment perspectives series" » "can private investor perspectives series", "can private investment properties series", "can private investor perspective series", "das private investment perspectives series", "scale private investment perspectives series", "cost private investment perspectives series"

Try widening your search to All Fields.

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

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