Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cuong ve cai snippets" » "cuong ve code snippets", "cuong vo cai snippets", "duong ve cai snippets", "luong va cai snippets", "cuong va cai snippets", "cuong ve cac snippets", "cuong ve 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: (((("python using java snippets") or ("cuong ve cai snippets"))) or ("locating bug core snippets"))~.
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