Perhaps you should try some spelling variations:
"coder estimation from in problem" » "model estimation from in problem" (Expand search), "power estimation from in problem" (Expand search), "color estimation from in problem" (Expand search), "coder estimation of in 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 estimation from in problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder estimation from in problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder estimation from in problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder estimation from in problem") OR ("api python python python programming"))*.