Perhaps you should try some spelling variations:
"diseases drugs effectss." » "diseases drug effectss.", "disease drugs effectss.", "disease drug effectss.", "diseases drugs effects.", "diseases drug effects.", "diseases drugs effective."
"diseases deer effect." » "diseases diet effect.", "disease deep effect.", "diseases dr effect.", "diseases peer effects.", "diseases kerr effect.", "diseases epr effect."
"diseases due effect." » "diseases drug effect.", "diseases diet effect.", "diseases case effect.", "diseases dose effect.", "diseases edge effect.", "diseases age effect."

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: (("diseases drugs effectss.") or ((("diseases deer effect.") or ("diseases due effect."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("diseases drugs effectss.") OR ((("diseases deer effect.") OR ("diseases due effect.")))).
• Removing quotes may allow a broader search: (( diseases drugs effectss. ) or ((( diseases deer effect. ) or ( diseases due effect. )))).
• Adding a wildcard symbol may retrieve word variants: (("diseases drugs effectss.") or ((("diseases deer effect.") or ("diseases due effect."))))*.