Perhaps you should try some spelling variations:
"coder coder mixed method problems" » "coder coder mixed method process" (Expand search), "coder coder mixed methods problems" (Expand search), "coder coder based method problems" (Expand search), "coder decoder mixed method problems" (Expand search), "code code mixed method problems" (Expand search), "decoder codec mixed method problems" (Expand search), "coder powder mixed method problems" (Expand search), "coder under mixed method problems" (Expand search), "coder over mixed method problems" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python 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 mixed method problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder mixed method problems\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder mixed method problems ) OR ( api python python python programming ))*.