Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pha bieu cua snippets" » "pha bieu code snippets", "pha kieu cua snippets", "phan bien cua snippets", "phan hieu cua snippets", "pha dieu cua snippets", "pha hieu cua snippets", "pha giau cua 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: (((("pha bieu cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha bieu cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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