Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"van van tin snippets" » "van ban tin snippets", "tan van tin snippets", "san van tin snippets", "van van tien snippets", "van van tan snippets", "van van thinh snippets", "van van tin slippers"

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: (((("python using java snippets") or ("van van tin snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("van van tin snippets"))) OR ("locating bugs code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van van tin snippets"))) or ("locating bugs code snippets"))*.