Perhaps you should try some spelling variations:
"coder coder coding training proposal" » "coder coder coding teaching proposal" (Expand search), "coder coder coding training protocol" (Expand search), "coder coder coding training protocols" (Expand search), "coder coder going training proposal" (Expand search), "coder coder boxing training proposal" (Expand search), "coder coder rowing training proposal" (Expand search), "coder modern coding training proposal" (Expand search), "coder color coding training proposal" (Expand search), "coder odor coding training proposal" (Expand search), "coder decoder coding training proposal" (Expand search), "code code coding training proposal" (Expand search), "decoder codec coding training 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 coding training proposal") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder coding training proposal\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder coding training proposal ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder coding training proposal") OR ("_ python python python programming"))*.