Perhaps you should try some spelling variations:
"coder documentation of ddr program" » "model documentation of ddr program" (Expand search), "car documentation of ddr program" (Expand search), "care documentation of ddr program" (Expand search), "coder documentation and ddr program" (Expand search), "coder documentation of r program" (Expand search), "coder documentation of mar program" (Expand search), "coder documentation of ladder program" (Expand search), "coder documentation of ddr1 program" (Expand search), "coder documentation of ddt program" (Expand search), "coder documentation of dar 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 documentation of ddr program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder documentation of ddr program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder documentation of ddr program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder documentation of ddr program") OR ("api python python python programming"))*.