Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dang dinh phu snippets" » "dang sinh phu snippets", "dang dieu phu snippets", "van dinh phu snippets", "dang tinh phu snippets", "dang vinh phuc snippets", "dang dinh thuy snippets", "dang dinh phu 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 dinh phu 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 dinh phu snippets") OR ("dung java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dang dinh phu snippets ) or ( dung java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang dinh phu snippets") or ("dung java java snippets"))) or ("locating bugs code snippets"))*.