Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dac hoc dung snippets" » "dac hoc ung snippets", "dac hoc dan snippets", "dac hoc cong snippets", "dai hoc dung snippets", "dan hoc dung snippets", "day hoc dung 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 ("dac hoc dung snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dac hoc dung snippets"))) OR ("locating bug core snippets")).
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