Perhaps you should try some spelling variations:
"coder decoder state on problem" » "encoder decoder state on problem" (Expand search), "video decoder state on problem" (Expand search), "coder defender state on problem" (Expand search), "coder disorder state on problem" (Expand search), "coder gender state on problem" (Expand search), "coder decoder state in problem" (Expand search), "coder decoder state of problem" (Expand search), "coder decoder state _ problem" (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 state on problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder state on problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder state on problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder state on problem") OR ("api python python python programming"))*.