Perhaps you should try some spelling variations:
"api pythons python python programming" » "api pitons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pythons piton python programming" (Expand search), "api pythons pitons python programming" (Expand search), "api pythons pytm python programming" (Expand search), "api python python python programming" (Expand search)
"coder coder pattern _ problem" » "coder cover pattern _ problem" (Expand search), "coder cover patterns _ problem" (Expand search), "coder powder pattern _ problem" (Expand search), "coder decoder pattern _ problem" (Expand search), "code code pattern _ problem" (Expand search), "decoder codec pattern _ problem" (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 coder pattern _ problem") OR ("api pythons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder pattern _ problem\") OR (\"api pythons python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder pattern _ problem ) OR ( api pythons python python programming ))*.