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