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