Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi hoc quoc snippets" » "phi hoc nuoc snippets", "phi hoc duoc snippets", "phi hoc thuoc snippets", "phoi hoc quoc snippets", "khi hoc quoc snippets", "pho hoc quoc 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 ("phi hoc quoc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("phi hoc quoc snippets"))) OR ("locating bug core snippets")).
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