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), "rpa python python python programming" (Expand search)
"coder decoder java acm problema" » "encoder decoder java acm problema" (Expand search), "coder codes java acm problema" (Expand search), "coder xcode java acm problema" (Expand search), "coder decoder java al problema" (Expand search), "coder decoder java bom problema" (Expand search), "coder decoder java c problema" (Expand search), "coder decoder java api problema" (Expand search), "coder decoder java and problema" (Expand search), "coder decoder java tm problema" (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 decoder java acm problema") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder java acm problema\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder java acm problema ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder java acm problema") OR ("api python python python programming"))*.