Perhaps you should try some spelling variations:
"dat xuan kinh snippets" » "dat xuan dinh snippets", "dat qua kinh snippets", "dat than kinh snippets", "dao xuan kinh snippets", "dat luan kinh snippets", "dac xuan kinh snippets", "dat xuan kinh 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.

You may be able to get more results by adjusting your search query.

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