Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"trinh ty dat slippers" » "trinh ky dat slippers", "trinh tu dat slippers", "trinh ly dat slippers", "trinh ty dau slippers", "trinh ty dat slippery", "trinh ty dat grippers"
"locating bug code snippets" » "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: (((("trinh ty dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh ty dat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh ty dat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh ty dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.