Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tran ban dan slippers" » "tranh ban dan slippers", "tran van dan slippers", "toan ban dan slippers", "tran ban hang slippers", "tran ban hanh slippers", "tran ban quan slippers", "tran ban dan slippery", "tran ban dan 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: (((("tran ban dan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran ban dan slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran ban dan slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran ban dan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.