Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"van tran dam snippets" » "van trang dam snippets", "van tranh dam snippets", "van tuan dam snippets", "van toan dam snippets", "van tran day snippets", "van tran lam 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 tran dam snippets"))) or ("locating bug core snippets"))~.
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