Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoi thuc van snippets" » "choi thuc van snippets", "hoc thuc van snippets", "hoi chuc van snippets", "hoi thuc vat snippets", "hoi thuc dan snippets", "hoi thuc va snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("hoi thuc van snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi thuc van snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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