Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tieu van du snippets" » "hieu van du snippets", "sieu van du snippets", "lieu van du snippets", "tieu van duy snippets", "tieu van dau snippets", "tieu van de snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

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