Perhaps you should try some spelling variations:
"human games periodicals." » "human gases periodicals.", "human ages periodicals.", "human homes periodicals.", "human gamers periodicals.", "human game periodicals.", "human gametes periodicals."
"human bile periodicals." » "human bible periodicals.", "human file periodicals.", "human chile periodicals.", "human bites periodicals.", "human bone periodicals.", "human bio periodicals."
"human age periodicals." » "human ages periodicals.", "human algae periodicals.", "human care periodicals.", "human agent periodicals.", "human anger periodicals.", "human image periodicals."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("human bile periodicals.") or ((("human games periodicals.") or ("human age periodicals."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("human bile periodicals.") OR ((("human games periodicals.") OR ("human age periodicals.")))).
• Removing quotes may allow a broader search: (( human bile periodicals. ) or ((( human games periodicals. ) or ( human age periodicals. )))).
• Adding a wildcard symbol may retrieve word variants: (("human bile periodicals.") or ((("human games periodicals.") or ("human age periodicals."))))*.