Perhaps you should try some spelling variations:
"coder precoder spi based programming" » "coder precoder spi and programming" (Expand search), "coder precoder spi based program" (Expand search), "coder precoder spi cone programming" (Expand search), "coder decoder spi based programming" (Expand search), "coder precoder hp based programming" (Expand search), "coder precoder _ based programming" (Expand search), "coder precoders _ based programming" (Expand search), "coder precoder si based programming" (Expand search), "coder precoder pi based programming" (Expand search), "coder precoder ssi based 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 spi based programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder spi based programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder spi based programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder spi based programming") OR ("api python python python programming"))*.