Perhaps you should try some spelling variations:
"coder decoder coding formal description" » "coder decoder coding larval description" (Expand search), "coder decoder codecs formal description" (Expand search), "coder decoder using formal description" (Expand search), "coder decoder codec formal description" (Expand search), "encoder decoder coding formal description" (Expand search), "coder decoder coding format description" (Expand search), "coder decoder mining formal description" (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), "rpa python 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 coding formal description") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder coding formal description\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder coding formal description ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder coding formal description") OR ("api python python python programming"))*.