Perhaps you should try some spelling variations:
"coder precoder normed vector programming" » "coder precoder normed custom programming" (Expand search), "coder precedent formed vector programming" (Expand search), "coder decoder normed vector 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 precoder normed vector programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder normed vector programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder normed vector programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder normed vector programming") OR ("api python python python programming"))*.