Perhaps you should try some spelling variations:
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons python python programming" (Expand search)
"coder coder string test object" » "coder cordel string test object" (Expand search), "coder closed string test object" (Expand search), "coder modelo string test object" (Expand search), "coder decoder string test object" (Expand search), "code code string test object" (Expand search), "decoder codec string test object" (Expand search), "coder coder strings tests object" (Expand search), "coder coder sorting test object" (Expand search), "coder coder ring test object" (Expand search), "coder coder string lost object" (Expand search), "coder coder string belt objects" (Expand search), "coder coder string first object" (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 string test object") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder string test object\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder string test object ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder string test object") OR ("_ python python python programming"))*.