Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tran hung va snippets" » "tran hong va snippets", "tran quang va snippets", "tran hoang va snippets", "tran huong va snippets", "tran hung van snippets", "tran hang va snippets"

Try widening your search to All Fields.

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