Perhaps you should try some spelling variations:
three procedures » the procedures (Expand search), care procedures (Expand search), valve procedures (Expand search)
disease three » disease the (Expand search), disease free (Expand search), disease type (Expand search)
python coding » action coding (Expand search), python code (Expand search)
coding pitons » loading pistons (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)

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: (( decrease AND disease three procedures ) OR ( python coding pitons python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease and disease three procedures ) OR ( python coding pitons python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease and disease three procedures ) OR ( python coding pitons python programming ))*.