Perhaps you should try some spelling variations:
"coder refractive errors training program" » "poder refrativo errors training program" (Expand search), "after refractive errors training program" (Expand search), "laser refractive errors training program" (Expand search), "coder refractive servers training program" (Expand search), "coder refractive actors training program" (Expand search), "coder refractive tutors training 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 errors training program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder refractive errors training program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder refractive errors training program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder refractive errors training program") OR ("api python python python programming"))*.