Perhaps you should try some spelling variations:
"lymphoid nevery" » "lymphoid never", "lymphoid nevers", "lymphoid nvery", "lymphoid novery", "lymphoid neveny"
"typhoid fever" » "typhoid fver", "typhoid fover", "typhoid feven"
"lymphoid every" » "lymphoid very", "lymphoid overy", "lymphoid eveny"
"lymphoid ever" » "lymphoid ver", "lymphoid over", "lymphoid even"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("typhoid fever") OR ((((("lymphoid nevery") OR ("lymphoid every"))) OR ("lymphoid ever"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"typhoid fever\") OR (((((\"lymphoid nevery\") OR (\"lymphoid every\"))) OR (\"lymphoid ever\"))))*".
• Removing quotes may allow a broader search: (( typhoid fever ) OR ((((( lymphoid nevery ) OR ( lymphoid every ))) OR ( lymphoid ever ))))*.