Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hung van bac snippets" » "phung van bac snippets", "nhung van bac snippets", "dung van bac snippets", "hung van ban snippets", "hung van bao snippets", "hung van hac snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("hung van bac snippets"))) or ("locating bug core snippets"))~.
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