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