Perhaps you should try some spelling variations:
"coder centering _ precoder program" » "coder centering _ proder program" (Expand search), "coder centering _ recovery program" (Expand search), "coder centering _ precoce programa" (Expand search), "powder sintering _ precoder 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.

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