Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi hung san snippets" » "phi thuong san snippets", "thi huong san snippets", "thi nhung san snippets", "phi nhung san snippets", "phi dung san snippets", "phi hung dan snippets"

Try widening your search to All Fields.

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