Perhaps you should try some spelling variations:
"coder and optical precoder program" » "coder and optical encoder program" (Expand search), "coder and optical probe program" (Expand search), "coder and optical code program" (Expand search), "coder and optical proder program" (Expand search), "coder and optical recovery program" (Expand search), "coder and optical precoce programa" (Expand search), "code and optical precoder program" (Expand search), "codes and optical precoder program" (Expand search), "poder and optical 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder and optical precoder program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder and optical precoder program\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder and optical precoder program ) OR ( api python python python programming ))*.