Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"trinh hanh ta snippets" » "trinh thanh ta snippets", "trinh han ta snippets", "trinh anh ta snippets", "trinh hanh tai snippets", "trinh hanh tam snippets", "trinh hanh va snippets", "trinh hanh ta slippers"
"dung va java snippets" » "dung java java snippets", "dung va java slippers"

Try widening your search to All Fields.

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