Perhaps you should try some spelling variations:
"coder _ python coding programming" » "coder _ python solving programming" (Expand search), "coder _ python cone programming" (Expand search), "coder _ python conic programming" (Expand search), "coder _ python codigo programming" (Expand search), "coder _ action coding programming" (Expand search), "coder _ python code programming" (Expand search)
"using opencv python python programming" » "using opencv pythons python programming" (Expand search), "using opencv piton python programming" (Expand search), "using opencv pitons python programming" (Expand search), "using opencl python python programming" (Expand search), "using open python python programming" (Expand search), "usando opencv 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 _ python coding programming") OR ("using opencv python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder _ python coding programming\") OR (\"using opencv python python programming\"))".
• Removing quotes may allow a broader search: (( coder _ python coding programming ) OR ( using opencv python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder _ python coding programming") OR ("using opencv python python programming"))*.