Perhaps you should try some spelling variations:
brain diseases » skin diseases
chain disease » brain disease, chagas disease, change disease
lines release » amines release, linear release, minutes release
silver lines » silver mines, silver mine, silver like

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: (( silver ((chain disease) OR (brain diseases)) ) OR ( silver lines release )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( silver ((chain disease) OR (brain diseases)) ) or ( silver lines release ))".
• Adding a wildcard symbol may retrieve word variants: (( silver ((chain disease) OR (brain diseases)) ) or ( silver lines release ))*.