Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dang ngoc cua snippets" » "hoang ngoc cua snippets", "van ngoc cua snippets", "dang nghe cua snippets", "dang nuoc cua snippets", "dang ngo cua snippets", "dang goc cua snippets"
"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: (((("dung java java snippets") or ("dang ngoc cua snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dang ngoc cua snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dang ngoc cua snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dang ngoc cua snippets"))) or ("locating bug code snippets"))*.