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