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