Perhaps you should try some spelling variations:
"coder precoder in efficient programming" » "coder precoder in efficient processing" (Expand search), "coder precoder in fragment programming" (Expand search), "coder decoder in efficient programming" (Expand search), "coder precoder an efficient programming" (Expand search), "coder precoder on efficient programming" (Expand search), "coder precoder is efficient programming" (Expand search), "coder recorder in efficient programming" (Expand search), "coder recover in efficient programming" (Expand search), "coder precoder _ efficient 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 in efficient programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder in efficient programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder in efficient programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder in efficient programming") OR ("api python python python programming"))*.