Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lang hoc doi snippets" » "lang hoc code snippets", "nang hoc doi snippets", "bang hoc doi snippets", "mang hoc doi snippets", "lang hoc dai snippets", "lang hoc noi snippets", "lang hoc moi 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 ("lang hoc doi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("lang hoc doi snippets"))) OR ("locating bug core snippets")).
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