Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"long cuu long snippets" » "long cua long snippets", "song cuu long snippets", "long cuc long snippets", "long cuu cong snippets", "long cuu nang 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: (((("long cuu long snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("long cuu long snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long cuu long snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long cuu long snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.