Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi hoc quan snippets" » "phi hoc dan snippets", "phi tac quan snippets", "phi hoc phan snippets", "phoi hoc quan snippets", "khi hoc quan snippets", "pho hoc quan 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 ("phi hoc quan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("phi hoc quan snippets"))) OR ("locating bug core snippets")).
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