Perhaps you should try some spelling variations:
"luan thanh hai snippets" » "quan thanh hai snippets", "xuan thanh hai snippets", "quang thanh hai snippets", "luan thanh phan snippets", "luan thanh hoa snippets", "luan thanh san snippets", "luan thanh hai 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: (((("luan thanh hai snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luan thanh hai snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan thanh hai snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan thanh hai snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.