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