Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dang hoc trinh snippets" » "dang doc trinh snippets", "dang hoc tinh snippets", "dang hoc sinh snippets", "dong hoc trinh snippets", "dan hoc trinh snippets", "nang hoc trinh snippets", "dang hoc trinh slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dang hoc trinh snippets") or ("dung java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang hoc trinh snippets") OR ("dung java java snippets"))) OR ("locating bugs code snippets")).
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