Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung chua thuc snippets" » "dung cua thuc snippets", "cung chua thuc snippets", "dung nhua thuc snippets", "dung thuat thuc snippets", "dung chuan chuc snippets", "dung thuan thuc snippets", "dung chua thuc 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: (((("dung chua thuc snippets") or ("dung java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung chua thuc snippets") OR ("dung java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung chua thuc snippets ) or ( dung java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung chua thuc snippets") or ("dung java java snippets"))) or ("locating bugs code snippets"))*.