Perhaps you should try some spelling variations:
"coder precoder scheme use programing" » "coder precoding scheme use programing" (Expand search), "coder decoder scheme use programing" (Expand search), "coder precoder scheme user programming" (Expand search), "coder precoder scheme rule programming" (Expand search), "coder precoder scheme the programming" (Expand search), "coder precoder scheme case programing" (Expand search), "coder precoder scheme the programing" (Expand search), "coder precoder theme use programing" (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 scheme use programing") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder scheme use programing\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder scheme use programing ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder scheme use programing") OR ("api python python python programming"))*.