Perhaps you should try some spelling variations:
"bang tay robot snippets" » "bang tao robot snippets", "bang a robot snippets", "bang tay robto snippets", "ban tay robot snippets", "bang may robot snippets", "mang tay robot snippets", "bang tay robot slippers"
"dung va java snippets" » "dung java java snippets", "dung va java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("bang tay robot snippets") or ("dung va java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bang tay robot snippets") OR ("dung va java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("bang tay robot snippets") or ("dung va java snippets"))) or ("locating bug code snippets"))*.