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