Perhaps you should try some spelling variations:
"coder coding _ multilanguage programming" » "coder coding _ language programming" (Expand search), "modern coding _ multilanguage programming" (Expand search), "color coding _ multilanguage programming" (Expand search), "odor coding _ multilanguage programming" (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 coding _ multilanguage programming") OR ("api pitons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding _ multilanguage programming\") OR (\"api pitons python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding _ multilanguage programming ) OR ( api pitons python python programming ))*.