Perhaps you should try some spelling variations:
"coder application using stacking problem" » "code application using stacking problem" (Expand search), "codes application using stacking problem" (Expand search), "copper application using stacking problem" (Expand search), "coder applications using stacking problem" (Expand search), "coder application and stacking problem" (Expand search), "coder application using packing problem" (Expand search), "coder application using packing problems" (Expand search), "coder application using teaching problem" (Expand search), "coder application using ranking 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 application using stacking problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder application using stacking problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder application using stacking problem") OR ("api python python python programming"))*.