Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"hoc phap coc snippets" » "hoc phan coc snippets", "hoc phat coc snippets", "hoc pho coc snippets", "hoc phap hoc snippets", "hoc phap cac snippets", "hoc phap doc snippets"
"dung cac code snippets" » "luong cac code snippets", "dung cho code snippets", "dung tai code snippets", "dung cac cong snippets", "dung cac co snippets", "dung cac che snippets"

Try widening your search to All Fields.

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