Perhaps you should try some spelling variations:
"trong phan tap snippets" » "truong phan tap snippets", "trong phat tap snippets", "thong phan tap snippets", "trong phan lap snippets", "trong han tap snippets", "trong phan tu snippets", "trong phan tap slippers"
"dung java java snippets" » "dung va java snippets", "dung java 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: (((("trong phan tap snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong phan tap snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong phan tap snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong phan tap snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.