Perhaps you should try some spelling variations:
"coder decoder string landing problem" » "coder decoder string planning problem" (Expand search), "coder decoder string loading problem" (Expand search), "coder decoder string bending problem" (Expand search), "coder decoder using landing problem" (Expand search), "coder decoder during landing problem" (Expand search), "coder decoder string winding problem" (Expand search), "coder decoder hiring landing problem" (Expand search), "encoder decoder string landing 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), "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 string landing problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder string landing problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder string landing problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder string landing problem") OR ("api python python python programming"))*.