Perhaps you should try some spelling variations:
"trong duoc trinh snippets" » "trong cuoc trinh snippets", "trong nuoc trinh snippets", "trong doi trinh snippets", "trong doc trinh snippets", "trong quoc thinh snippets", "trong duoc tren snippets", "trong duoc trinh slippers"
"dung bug code snippets" » "dung dung code snippets", "dung hung code snippets", "dung rung code snippets", "dung bug core snippets", "dung bug code slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers"

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