Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lieu tap van snippets" » "lieu tai van snippets", "lieu phap van snippets", "lieu tham van snippets", "lieu tap va snippets", "lieu tap vat snippets", "lieu tap quan 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 ("lieu tap van snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("lieu tap van snippets"))) OR ("locating bug core snippets")).
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