Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan don va slippers" » "phan dong va slippers", "phan bon va slippers", "phan do va slippers", "phan doan va slippers", "phan don vi slippers", "phan don va slippery", "phan don va 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 don va 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 don va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan don va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan don va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.