Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"ban phuc cac snippets" » "van phuc cac snippets", "hanh phuc cac snippets", "ban thuoc cac snippets", "ban phuc cam snippets", "ban phuc ca snippets", "ban phuc cham 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: (((("ban phuc 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: (((("ban phuc cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban phuc cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban phuc cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.