Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"van hang dam snippets" » "van khang dam snippets", "van hoang dam snippets", "van thang dam snippets", "van chang dam snippets", "van hang dau snippets", "van hang nam 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 hang dam snippets"))) or ("locating bug core snippets"))~.
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