Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan doc dan slippers" » "phan duoc dan slippers", "phan duc dan slippers", "than doc dan slippers", "phan hoc dan slippers", "phan doc dao slippers", "phan doc dan slippery", "phan doc dan grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("phan doc dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan doc dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan doc dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan doc dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.