Perhaps you should try some spelling variations:
"coder coder _ sequential programming" » "coder coder _ potential programming" (Expand search), "coder coder _ sequential programs" (Expand search), "coder coder _ sequential processing" (Expand search), "coder decoder _ sequential programming" (Expand search), "code code _ sequential programming" (Expand search), "decoder codec _ sequential programming" (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)

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