Perhaps you should try some spelling variations:
"disease adnan effects." » "disease avian effects.", "disease alan effects.", "disease ana effects.", "disease human effects.", "disease awgn effects.", "disease japan effects."
"diseases deer effect." » "diseases diet effect.", "diseases due effect.", "disease deep effect.", "diseases peer effects.", "diseases kerr effect.", "diseases epr effect."
"diseases drag effects." » "diseases drug effects.", "diseases drugs effects.", "diseases dr effects.", "diseases drag effect.", "diseases xdrug effects."

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("disease adnan effects.") OR ((("diseases deer effect.") OR ("diseases drag effects."))))~.
• Removing quotes may allow a broader search: (( disease adnan effects. ) or ((( diseases deer effect. ) or ( diseases drag effects. ))))~.
• Adding a wildcard symbol may retrieve word variants: (("disease adnan effects.") or ((("diseases deer effect.") or ("diseases drag effects."))))*.