Perhaps you should try some spelling variations:
"locating bung code snippets" » "locating bug code snippets", "locating bung code slippers"
"trinh van xac snippets" » "trinh han xac snippets", "trinh quan xac snippets", "trinh toan xac snippets", "trinh va xac snippets", "trinh van xay snippets", "trinh van hac snippets", "trinh van xac 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: (((("trinh van xac snippets") or ("dung java java snippets"))) or ("locating bung code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh van xac snippets") OR ("dung java java snippets"))) OR ("locating bung code snippets")).
• Removing quotes may allow a broader search: (((( trinh van xac snippets ) or ( dung java java snippets ))) or ( locating bung code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh van xac snippets") or ("dung java java snippets"))) or ("locating bung code snippets"))*.