Perhaps you should try some spelling variations:
"dang hung thai snippets" » "dang quang thai snippets", "manh hung thai snippets", "dang cong thai snippets", "dang hong thai snippets", "dang hung hai snippets", "dang hung thang snippets", "dang hung thai slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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