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