Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dan han lon snippets" » "dan chan lon snippets", "dan than lon snippets", "dan hanh lon snippets", "dan han tong snippets", "dan hai long snippets", "dan phan lan snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dan han lon snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan han lon snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
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