Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"can nuoi con snippets" » "chan nuoi con snippets", "ban nuoi con snippets", "dan nuoi con snippets", "can nuoi lon snippets", "can nguoi cong snippets", "can nuoc cong 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 nuoi 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 nuoi con snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can nuoi con snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can nuoi con snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.