Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"nang cho con snippets" » "nang chon con snippets", "ngang cho con snippets", "nang cao con snippets", "nang cho cong snippets", "nang cho lon snippets", "nang cho can 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: (((("nang cho 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: (((("nang cho con snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang cho con snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang cho con snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.