Perhaps you should try some spelling variations:
"human genetic periodicals." » "human genetics periodicals.", "human genomics periodicals.", "human kinetics periodicals.", "human genometic periodicals."
"human game periodicals." » "human games periodicals.", "human flame periodicals.", "human care periodicals.", "human gaze periodicals.", "human gait periodicals.", "human gap periodicals."
"human gene periodicals." » "human genes periodicals.", "human genome periodicals.", "human genus periodicals."

Try widening your search to All Fields.

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

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