Perhaps you should try some spelling variations:
"coder decoder angular parallel programming" » "coder decoder irregular parallel programming" (Expand search), "coder decoder language parallel programming" (Expand search), "coder decoder angular rolled programming" (Expand search), "encoder decoder angular parallel programming" (Expand search), "video decoder angular parallel 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 decoder angular parallel programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder angular parallel programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder angular parallel programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder angular parallel programming") OR ("api python python python programming"))*.