Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc cho du snippets" » "hoc cho code snippets", "hoc cao du snippets", "hoc pho du snippets", "hoc co du snippets", "hoc cho cu snippets", "hoc cho tu snippets", "hoc cho duoc snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("hoc cho du 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 cho du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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