Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan diep toi snippets" » "dan diep code snippets", "dan dieu toi snippets", "dang dieu toi snippets", "doan dieu toi snippets", "dan tiep thi snippets", "dan dinh toi snippets", "dan dem toi 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: (((("python using java snippets") or ("dan diep toi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dan diep toi snippets"))) OR ("locating bug core snippets")).
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