Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"can chi con snippets" » "can thi con snippets", "van chi con snippets", "san chi con snippets", "can chi cong snippets", "can cho con snippets", "can khi con 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: (((("can chi con snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("can chi con snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can chi con snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can chi con snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.