Perhaps you should try some spelling variations:
"quang trong lam snippets" » "quang truong lam snippets", "quang trung lam snippets", "quan trong lam snippets", "quang trong cac snippets", "quang trong ca snippets", "quang trong san snippets", "quang trong lam 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: (((("quang trong lam snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quang trong lam snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quang trong lam snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quang trong lam snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.