Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu bac dan slippers" » "huu bach dan slippers", "huu bay dan slippers", "chau bac dan slippers", "huu cac dan slippers", "huu ban dan slippers", "huu bac dan slippery", "huu bac 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: (((("huu bac 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: (((("huu bac dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu bac dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu bac dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.