Perhaps you should try some spelling variations:
"communication equipment war history" » "telecommunication equipment war history", "telecommunications equipment war history", "communications development war history", "communication equipment can history", "communication equipment law history", "communication equipment parts history", "communication equipment labor history"
"comparative management figure study" » "compensation management figure study", "comparative management five study", "comparative management firm study", "comparative management finance study", "comparative management future study", "comparative management leisure study"

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