Perhaps you should try some spelling variations:
"coder computing _ string problem" » "modern computing _ string problem" (Expand search), "model computing _ string problem" (Expand search), "power computing _ string problem" (Expand search), "coder computing _ sizing problem" (Expand search), "coder computing _ rostering problem" (Expand search), "coder computing _ sharing problems" (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 computing _ string problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder computing _ string problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder computing _ string problem") OR ("api python python python programming"))*.