Perhaps you should try some spelling variations:
"coder coder convex java programming" » "coder coder convex and programming" (Expand search), "coder coder convex based programming" (Expand search), "coder coder convex goal programming" (Expand search), "coder closed convex java programming" (Expand search), "coder or convex java programming" (Expand search), "coder some convex java programming" (Expand search), "coder decoder convex java programming" (Expand search), "code code convex java programming" (Expand search), "decoder codec convex java programming" (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 convex java programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder convex java programming\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder convex java programming ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder convex java programming") OR ("on python python python programming"))*.