Perhaps you should try some spelling variations:
"locating bung code snippets" » "locating bug code snippets", "locating bung code slippers"
"ban luat data snippets" » "ban luat dat snippets", "ban luat dan snippets", "ban luat dau snippets", "dan luat data snippets", "hanh luat data snippets", "bang luan data snippets", "ban luat data slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("ban luat data snippets") or ("dung java java snippets"))) or ("locating bung code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban luat data snippets") OR ("dung java java snippets"))) OR ("locating bung code snippets")).
• Removing quotes may allow a broader search: (((( ban luat data snippets ) or ( dung java java snippets ))) or ( locating bung code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban luat data snippets") or ("dung java java snippets"))) or ("locating bung code snippets"))*.