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 drugugs effectss.", "diseases dueugs effectss.", "diseases _ugs effectss."
"diseases dr effect." » "diseases drug effect.", "diseases due effect.", "diseases _ effect.", "diseases gr effect.", "diseases mr effect.", "diseases deer effect."
"diseases do effect." » "diseases due effect.", "diseases _ effect.", "diseases a effect.", "diseases zno effect.", "diseases fe effect.", "diseases kondo 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 do effect."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("diseases drugs effectss.") OR ((("diseases dr effect.") OR ("diseases do effect.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"diseases drugs effectss.\") or (((\"diseases dr effect.\") OR (\"diseases do effect.\"))))".
• Removing quotes may allow a broader search: (( diseases drugs effectss. ) or ((( diseases dr effect. ) OR ( diseases do effect. )))).
• Adding a wildcard symbol may retrieve word variants: (("diseases drugs effectss.") or ((("diseases dr effect.") OR ("diseases do effect."))))*.