Perhaps you should try some spelling variations:
"diseases _ug effects." » "diseases _ effects.", "diseases a effects.", "diseases 17 effects.", "diseases rug effects.", "diseases drug effects.", "diseases lung effects."
"diseases dr effects." » "diseases do effects.", "diseases drug effects.", "diseases due effects.", "diseases j.r effects.", "diseases asr effects.", "diseases pcr effects."
"diseases 8 effects." » "diseases _ effects.", "diseases a effects.", "diseases 10 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: (("diseases dr effects.") or ((("diseases _ug effects.") OR ("diseases 8 effects."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("diseases dr effects.") OR ((("diseases _ug effects.") OR ("diseases 8 effects.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"diseases dr effects.\") or (((\"diseases _ug effects.\") OR (\"diseases 8 effects.\"))))".
• Removing quotes may allow a broader search: (( diseases dr effects. ) or ((( diseases _ug effects. ) OR ( diseases 8 effects. )))).
• Adding a wildcard symbol may retrieve word variants: (("diseases dr effects.") or ((("diseases _ug effects.") OR ("diseases 8 effects."))))*.