Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban dung deu snippets" » "van dung deu snippets", "dan dung deu snippets", "lan dung deu snippets", "ban dung de snippets", "ban dung du snippets", "ban dung dau 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: (((("ban dung deu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban dung deu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("ban dung deu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.