Perhaps you should try some spelling variations:
"coder refractive error detection program" » "coder refractive error selection program" (Expand search), "coder refractive error protection program" (Expand search), "coder refractive error detection problem" (Expand search), "poder refrativo error detection program" (Expand search), "after refractive error detection program" (Expand search), "laser refractive error detection program" (Expand search), "coder refractive errors detection program" (Expand search), "coder refractive error correction program" (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 refractive error detection program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder refractive error detection program\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder refractive error detection program ) OR ( api python python python programming ))*.