Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mong du van slippers" » "muong du van slippers", "mong do van slippers", "song du van slippers", "mong duy van slippers", "mong duc van slippers", "mong tu van slippers", "mong du van slippery", "mong du van 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: (((("mong du van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mong du van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mong du van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mong du van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.