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