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 pitoni python python programming" » "api pitons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pythons python python programming" (Expand search), "api pitoni pythons python programming" (Expand search), "api pitoni piton python programming" (Expand search), "api pitoni pitons python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding _ multilanguage programming\") OR (\"api pitoni python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding _ multilanguage programming ) OR ( api pitoni python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding _ multilanguage programming") OR ("api pitoni python python programming"))*.