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 drag effect." » "diseases drug effect.", "diseases dr effect.", "diseases dna effect.", "diseases drag effects.", "diseases dag effect.", "diseases drying effect."
"diseases dung effect." » "diseases lung effect.", "diseases during effect.", "diseases young effect.", "diseases lung effects.", "diseases dag effect.", "diseases kong 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 drag effect.") OR ("diseases dung effect."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("diseases drugs effectss.") OR ((("diseases drag effect.") OR ("diseases dung effect.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"diseases drugs effectss.\") or (((\"diseases drag effect.\") OR (\"diseases dung effect.\"))))".
• Removing quotes may allow a broader search: (( diseases drugs effectss. ) or ((( diseases drag effect. ) OR ( diseases dung effect. )))).
• Adding a wildcard symbol may retrieve word variants: (("diseases drugs effectss.") or ((("diseases drag effect.") OR ("diseases dung effect."))))*.