Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trinh toan son snippets" » "tinh toan son snippets", "thanh toan son snippets", "trinh han son snippets", "trinh toan von snippets", "trinh tan son snippets", "trinh hoang son snippets"
"dung java java snippets" » "dung va java snippets"

Try widening your search to All Fields.

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