Perhaps you should try some spelling variations:
"coder material program java programming" » "coder material program and programming" (Expand search), "coder material program based programming" (Expand search), "coder material program goal programming" (Expand search), "poder material program java programming" (Expand search), "cover materials program java programming" (Expand search), "powder material program java programming" (Expand search), "coder material programa java programming" (Expand search), "coder material programas java programming" (Expand search), "coder material program raman programming" (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 material program java programming\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder material program java programming ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder material program java programming") OR ("api python python python programming"))*.