Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoc sat vung snippets" » "hoc vat vung snippets", "hoc sat huong snippets", "hoc sat muong snippets", "hoc dat vung snippets", "hoc hat vung snippets", "hoc sau vung snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("hoc sat vung snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc sat vung snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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