Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trinh cac che snippets" » "trinh cau che snippets", "trinh chat che snippets", "trinh chao che snippets", "trinh cac he snippets", "trinh cac chien snippets", "trinh cac chat snippets"
"dung vat code snippets" » "dung va code snippets", "dong vat code snippets", "dung dat code snippets", "dung rate code snippets", "dung vat co snippets", "dung vat de snippets"

Try widening your search to All Fields.

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