Perhaps you should try some spelling variations:
"comparative management practice theory" » "compensation management practice theory", "comparative management practices theory"
"cooling requirements based history" » "holding requirements based history", "filing requirements based history", "borrowing requirements based history", "cooling requirements basic history", "cooling requirements case history", "cooling requirements race history", "cooling requirements bad history"

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 practice theory") or ("cooling requirements based history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("comparative management practice theory") OR ("cooling requirements based history")).
• Removing quotes may allow a broader search: (( comparative management practice theory ) or ( cooling requirements based history )).
• Adding a wildcard symbol may retrieve word variants: (("comparative management practice theory") or ("cooling requirements based history"))*.