Perhaps you should try some spelling variations:
"disease drugs effectss." » "disease drugs effects.", "disease drug effects.", "disease drugs effective.", "disease drug effectss.", "disease d.g effectss.", "disease due effectss."
"disease does effectss." » "disease doses effects.", "disease uses effects.", "disease ewes effects.", "disease diet effectss.", "disease due effectss.", "disease cases effectss."
"diseases drug effect." » "diseases drug effects.", "diseases drag effect.", "diseases drugs effects."

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: (((("disease drugs effectss.") OR ("disease does effectss."))) or ("diseases drug effect."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("disease drugs effectss.") OR ("disease does effectss."))) OR ("diseases drug effect.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"disease drugs effectss.\") OR (\"disease does effectss.\"))) or (\"diseases drug effect.\"))".
• Removing quotes may allow a broader search: (((( disease drugs effectss. ) OR ( disease does effectss. ))) or ( diseases drug effect. )).
• Adding a wildcard symbol may retrieve word variants: (((("disease drugs effectss.") OR ("disease does effectss."))) or ("diseases drug effect."))*.