Perhaps you should try some spelling variations:
"coder coder service material program" » "coder coder servico material program" (Expand search), "coder coder device material program" (Expand search), "coder coder service interval program" (Expand search), "coder poder servico material program" (Expand search), "coder over service material program" (Expand search), "coder model service material program" (Expand search), "coder decoder service material program" (Expand search), "code code service material program" (Expand search), "decoder codec service material program" (Expand search)
"api pythons python python programming" » "api pitons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pythons piton python programming" (Expand search), "api pythons pitons python programming" (Expand search), "api pythons pytm python programming" (Expand search), "api 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 coder service material program") OR ("api pythons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder service material program\") OR (\"api pythons python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder service material program ) OR ( api pythons python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder service material program") OR ("api pythons python python programming"))*.