Perhaps you should try some spelling variations:
"diseases drugs effectss." » "diseases drug effectss.", "disease drugs effectss.", "diseases dogs effectss.", "diseases drugs effects.", "diseases drug effects.", "diseases drugs effective."
"disease drug effective." » "disease drugs effective.", "disease drug effects.", "disease drug affecting.", "diseases drug effective."
"diseases dung effect." » "diseases lung effect.", "diseases during effect.", "diseases young effect.", "diseases lung effects.", "diseases dag effect.", "diseases drag 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 ("disease drug effective."))) or ("diseases dung effect."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("diseases drugs effectss.") OR ("disease drug effective."))) OR ("diseases dung effect.")).
• Removing quotes may allow a broader search: (((( diseases drugs effectss. ) or ( disease drug effective. ))) or ( diseases dung effect. )).
• Adding a wildcard symbol may retrieve word variants: (((("diseases drugs effectss.") or ("disease drug effective."))) or ("diseases dung effect."))*.