Perhaps you should try some spelling variations:
"nhung tri thu snippets" » "nhung bai thu snippets", "nhung bi thu snippets", "nhung gi thu snippets", "nhung tri thuc snippets", "nhung thi thu snippets", "nhung tri phu snippets", "nhung tri thu 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: (((("nhung tri thu snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung tri thu snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung tri thu snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung tri thu snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.