Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"thong nhan o snippets" » "thong phan o snippets", "thong nha o snippets", "thong than o snippets", "thong nhan code snippets", "thong nhan mo snippets", "thong nhan co snippets", "thong nhan vo 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 ("thong nhan o snippets"))) or ("locating bug core snippets"))~.
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