Perhaps you should try some spelling variations:
"human genome periodicals." » "human genomes periodicals.", "human genomics periodicals.", "human centre periodicals."
"human genes periodicals." » "human genomes periodicals.", "human bees periodicals.", "human games periodicals.", "human gene periodicals.", "human genetics periodicals.", "human genetic periodicals."
"human game periodicals." » "human games periodicals.", "human flame periodicals.", "human care periodicals.", "human gaze periodicals.", "human gene periodicals.", "human gait 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 genome periodicals.") or ("human genes periodicals."))) or ("human game periodicals."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("human genome periodicals.") OR ("human genes periodicals."))) OR ("human game periodicals.")).
• Removing quotes may allow a broader search: (((( human genome periodicals. ) or ( human genes periodicals. ))) or ( human game periodicals. )).
• Adding a wildcard symbol may retrieve word variants: (((("human genome periodicals.") or ("human genes periodicals."))) or ("human game periodicals."))*.