Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dap mong cac snippets" » "dap mon cac snippets", "dap ung cac snippets", "va mong cac snippets", "dap cong cac snippets", "dap dong cac snippets", "dap mong cai 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: (((("dap mong 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: (((("dap mong cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap mong cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap mong cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.