Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi gian dac snippets" » "phi gia dac snippets", "thoi gian dac snippets", "thi giang dac snippets", "phi gian dan snippets", "phi gian cac snippets", "phi giang day snippets"

Try widening your search to All Fields.

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