Perhaps you should try some spelling variations:
"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)
"coder coder signal and program" » "coder mode signal and program" (Expand search), "coder power signal and program" (Expand search), "coder power signals and program" (Expand search), "coder decoder signal and program" (Expand search), "code code signal and program" (Expand search), "decoder codec signal and program" (Expand search), "coder coder signal and programs" (Expand search), "coder coder signal grant program" (Expand search), "coder coder signal based program" (Expand search), "coder coder signals and program" (Expand search), "coder coder signal in program" (Expand search), "coder coder signaling and program" (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 coder signal and program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder signal and program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder signal and program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder signal and program") OR ("api python python python programming"))*.