Perhaps you should try some spelling variations:
"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)
"code code coding is proposals" » "code code coding its proposals" (Expand search), "code code coding in proposals" (Expand search), "code code coding pss proposals" (Expand search), "code code cloning is proposals" (Expand search), "code code codigo is proposals" (Expand search), "code code according is proposals" (Expand search), "code cdc coding is proposals" (Expand search), "code code coding ts proposals" (Expand search), "code code coding its1 proposals" (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: (("code code coding is proposals") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"code code coding is proposals\") OR (\"on python python python programming\"))*".
• Removing quotes may allow a broader search: (( code code coding is proposals ) OR ( on python python python programming ))*.