Perhaps you should try some spelling variations:
"communicating requirements resources history" » "communicating measurement resources history", "conflicting requirements resources history", "communication equipment resources history", "communicating requirements measures history", "communicating requirements references history", "communicating required resources history", "communicating requirements resources sector"
"comparative management series study" » "compensation management series study", "comparative management systems study", "comparative management system study", "comparative management services study", "comparative management series studia", "comparative management series studies"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("comparative management series study") or ("communicating requirements resources history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("comparative management series study") OR ("communicating requirements resources history"))*.
• Removing quotes may allow a broader search: (( comparative management series study ) or ( communicating requirements resources history ))*.