Perhaps you should try some spelling variations:
"coder refractive errors testing problem" » "poder refrativo errors testing problem" (Expand search), "after refractive errors testing problem" (Expand search), "laser refractive errors testing problem" (Expand search), "coder refractive errors nesting problem" (Expand search), "coder refractive errors nesting problems" (Expand search), "coder refractive errors teaching problem" (Expand search), "coder refractive errors stemming problem" (Expand search), "coder refractive errors using 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder refractive errors testing problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder refractive errors testing problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder refractive errors testing problem") OR ("api python python python programming"))*.