Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"bang cac che snippets" » "nang cao che snippets", "hang ca che snippets", "dung cac che snippets", "bang cac he snippets", "bang cac chien snippets", "bang cac chat 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: (((("bang cac che snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bang cac che snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bang cac che snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bang cac che snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.