Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hieu ba cau snippets" » "hieu ba code snippets", "hieu bai cau snippets", "hieu bat cau snippets", "hieu va cau snippets", "hieu bac cau snippets", "hieu ban cau snippets", "hieu bo cau 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: (((("hieu ba cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu ba cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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