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 sonar based program" » "coder decoder sonar based program" (Expand search), "code code sonar based program" (Expand search), "decoder codec sonar based program" (Expand search), "coder sounder sonar based program" (Expand search), "coder coder solar based program" (Expand search), "coder coder sugar based program" (Expand search), "coder coder mortar based 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 sonar based program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder sonar based program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder sonar based program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder sonar based program") OR ("api python python python programming"))*.