Perhaps you should try some spelling variations:
"tuan hoang dat snippets" » "quan hoang dat snippets", "tran hoang dat snippets", "xuan hoang dat snippets", "tuan hoang da snippets", "tuan hoang dai snippets", "tuan hoang dang snippets", "tuan hoang dat 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: (((("tuan hoang dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tuan hoang dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuan hoang dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuan hoang dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.