Perhaps you should try some spelling variations:
"coder decoder using hard problem" » "encoder decoder using hard problem" (Expand search), "coder disorder using hard problem" (Expand search), "coder decoding using hard problem" (Expand search), "coder cover using hard problem" (Expand search), "coder decoder using and problem" (Expand search), "coder decoder using old problem" (Expand search), "coder decoder using hand problem" (Expand search), "coder decoder using har problem" (Expand search), "coder decoder using herd 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder using hard problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder decoder using hard problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder decoder using hard problem") OR ("api python python python programming"))*.