Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong hoi canh snippets" » "dong hoc canh snippets", "dong hoa canh snippets", "tong hop canh snippets", "dong boi canh snippets", "dong doi canh snippets", "dong hoi danh 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 ("dong hoi canh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dong hoi canh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dong hoi canh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dong hoi canh snippets"))) or ("locating bug code snippets"))*.