Perhaps you should try some spelling variations:
"coder coder computer class proposal" » "coder model computer class proposal" (Expand search), "coder node computer class proposal" (Expand search), "coder color computer class proposal" (Expand search), "coder coder computer classes proposal" (Expand search), "coder coder computer codes proposal" (Expand search), "coder coder computer clusters proposal" (Expand search), "coder decoder computer class proposal" (Expand search), "code code computer class proposal" (Expand search), "decoder codec computer class proposal" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons 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 computer class proposal") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder computer class proposal\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder computer class proposal ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder computer class proposal") OR ("_ python python python programming"))*.