Perhaps you should try some spelling variations:
"coder precoder code cpc programming" » "coder precoder code cnc programming" (Expand search), "coder precoder code cpld programming" (Expand search), "coder precoder code c programming" (Expand search), "coder decoder code cpc programming" (Expand search), "coder decoder codec cpc programming" (Expand search)
"api pitons python python programming" » "api pitons pythons python programming" (Expand search), "api pitons piton python programming" (Expand search), "api pitons pytm python programming" (Expand search), "api citons python python programming" (Expand search), "api pitoni python python programming" (Expand search), "api pitoes 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 code cpc programming") OR ("api pitons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder code cpc programming\") OR (\"api pitons python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder code cpc programming ) OR ( api pitons python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder code cpc programming") OR ("api pitons python python programming"))*.