Perhaps you should try some spelling variations:
"lochating bug code snippets" » "locating bug code snippets", "lochating bug code slippers", "lochating bug core snippets"
"python using java snippets" » "python using data snippets", "python using java slippers"
"sach ba tu snippets" » "sach bai tu snippets", "sach bac tu snippets", "sach bao tu snippets", "sach ban tu snippets", "sach ba thu snippets", "sach ba tu slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("sach ba tu snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))~.
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