Perhaps you should try some spelling variations:
"coder coder coder complex problems" » "coder coder coder complex projects" (Expand search), "coder coder copper complex problems" (Expand search), "coder coder modern complex problems" (Expand search), "coder coder holder complex problems" (Expand search), "coder decoder coder complex problems" (Expand search), "code code coder complex problems" (Expand search), "decoder codec coder complex problems" (Expand search)
"api pitons python python programming" » "api pitons pythons python programming" (Expand search), "api pitons piton python programming" (Expand search), "api pitons pytm python programming" (Expand search), "api citons python python programming" (Expand search), "api pitoni python python programming" (Expand search), "api pitoes 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 coder coder complex problems") OR ("api pitons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder coder complex problems\") OR (\"api pitons python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder coder complex problems ) OR ( api pitons python python programming ))*.