Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van thang so snippets" » "van thanh so snippets", "van khang so snippets", "van hang so snippets", "van than so snippets", "van thang o snippets", "van thong so 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: (((("python using java snippets") or ("van thang so snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("van thang so snippets"))) OR ("locating bug code snippets")).
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