Perhaps you should try some spelling variations:
"nhung tri ngoc snippets" » "nhung bai ngoc snippets", "nhung bi ngoc snippets", "nhung gi ngoc snippets", "nhung thi ngoc snippets", "nhung tri ngo snippets", "nhung tri ngon snippets", "nhung tri ngoc 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 ngoc 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 ngoc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung tri ngoc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung tri ngoc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.