Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung tam cham snippets" » "duong tam cham snippets", "dung tai cham snippets", "dung lam cham snippets", "dung nam cham snippets", "dung tam cam snippets", "dung tam chan 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 tam cham 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 tam cham snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tam cham snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tam cham snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.