Perhaps you should try some spelling variations:
"coder coder sampling process proposal" » "coder coder stamping process proposal" (Expand search), "coder coder labeling process proposal" (Expand search), "coder coder selling process proposal" (Expand search), "coder coder sampling processo proposta" (Expand search), "coder coder sampling project proposal" (Expand search), "coder coder sampling processos proposta" (Expand search), "coder under sampling process proposal" (Expand search), "coder over sampling process proposal" (Expand search), "coder core sampling process proposal" (Expand search), "coder decoder sampling process proposal" (Expand search), "code code sampling process proposal" (Expand search), "decoder codec sampling process proposal" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 sampling process proposal") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder sampling process proposal\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder sampling process proposal ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder sampling process proposal") OR ("on python python python programming"))*.