Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dao dong cac snippets" » "lao dong cac snippets", "ha dong cac snippets", "bat dong cac snippets", "dao duong cac snippets", "dao dong bac snippets", "dao dung cac 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: (((("dao dong cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao dong cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao dong cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao dong cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.