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