Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van hung ho snippets" » "van hung code snippets", "van dung ho snippets", "manh hung ho snippets", "van duong ho snippets", "van hung hoa snippets", "van phung ho snippets", "van tung ho 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 ("van hung ho snippets"))) or ("locating bug core snippets"))~.
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