Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"anh trong ca snippets" » "anh thuong ca snippets", "dinh trong ca snippets", "lang trong ca snippets", "anh trong cac snippets", "anh trong van snippets", "anh trong nha 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: (((("dung java java snippets") or ("anh trong ca snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("anh trong ca snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( anh trong ca snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("anh trong ca snippets"))) or ("locating bug code snippets"))*.