Perhaps you should try some spelling variations:
"coder coder understand the programming" » "coder never understand the programming" (Expand search), "coder could understand the programming" (Expand search), "coder better understand the programming" (Expand search), "coder coder understand cone programming" (Expand search), "coder coder understand _ programming" (Expand search), "coder coder understand and programming" (Expand search), "coder coder understanding the programming" (Expand search), "coder decoder understand the programming" (Expand search), "code code understand the programming" (Expand search), "decoder codec understand the programming" (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 understand the programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder understand the programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder understand the programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder understand the programming") OR ("_ python python python programming"))*.