Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung duc nhan snippets" » "duong duc nhan snippets", "dang duc nhan snippets", "dung du nhan snippets", "dung duc phan snippets", "dung dac nhan snippets", "dung luc nhan snippets", "dung duc nhan slippers"
"using c code snippets" » "using lc code snippets", "using a code snippets", "using _ code snippets", "using cfd code snippets", "using c code slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("using c code snippets") or ("dung duc nhan snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using c code snippets") OR ("dung duc nhan snippets"))) OR ("locating bugs code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("using c code snippets") or ("dung duc nhan snippets"))) or ("locating bugs code snippets"))*.