Perhaps you should try some spelling variations:
"coder precoder graph processing program" » "coder precoder graphic processing program" (Expand search), "coder precoder grain processing program" (Expand search), "coder precoder graphics processing program" (Expand search), "coder decoder graph processing program" (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 graph processing program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder graph processing program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder graph processing program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder graph processing program") OR ("api python python python programming"))*.