Perhaps you should try some spelling variations:
"coder by decreasing photo coverage" » "coder by decreasing root coverage" (Expand search), "coder by decreasing ph coverage" (Expand search), "coder by decreasing protein coverage" (Expand search), "coder by increasing photo coverage" (Expand search), "code by decreasing photo coverage" (Expand search), "codes by decreasing photo coverage" (Expand search), "coded by decreasing photo coverage" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons python python programming" (Expand search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder by decreasing photo coverage") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder by decreasing photo coverage\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder by decreasing photo coverage ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder by decreasing photo coverage") OR ("_ python python python programming"))*.