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 dougs effectss.", "diseases drugugs effectss.", "diseases dueugs effectss."
"diseases epr effect." » "diseases ebps effect.", "diseases eye effect.", "diseases e.g effect.", "diseases kerr effect."
"diseases dr effect." » "diseases do effect.", "diseases drug effect.", "diseases due effect.", "diseases gr effect.", "diseases mr effect.", "diseases deer 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 dr effect.") or ("diseases epr effect."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("diseases drugs effectss.") OR ((("diseases dr effect.") OR ("diseases epr effect.")))).
• Removing quotes may allow a broader search: (( diseases drugs effectss. ) or ((( diseases dr effect. ) or ( diseases epr effect. )))).
• Adding a wildcard symbol may retrieve word variants: (("diseases drugs effectss.") or ((("diseases dr effect.") or ("diseases epr effect."))))*.