Perhaps you should try some spelling variations:
"coder informal _ precoder program" » "coder informal _ proder program" (Expand search), "coder informal _ recovery program" (Expand search), "coder informal _ precoce programa" (Expand search), "poder informal _ precoder program" (Expand search), "lider informal _ precoder program" (Expand search), "power informal _ precoder program" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 informal _ precoder program") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder informal _ precoder program\") OR (\"on python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder informal _ precoder program ) OR ( on python python python programming ))*.