Perhaps you should try some spelling variations:
"coder documentation of ddr1 program" » "model documentation of ddr1 program" (Expand search), "car documentation of ddr1 program" (Expand search), "care documentation of ddr1 program" (Expand search), "coder documentation and ddr1 program" (Expand search), "coder documentation of ddr program" (Expand search), "coder documentation of sdrp1 program" (Expand search), "coder documentation of ari 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 ddr1 program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder documentation of ddr1 program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder documentation of ddr1 program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder documentation of ddr1 program") OR ("api python python python programming"))*.