Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong cac cuu snippets" » "duong cac cuu snippets", "dong bac cuu snippets", "dung cac cuu snippets", "dong cap cuu snippets", "dong cac cau snippets", "dong cac chu 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 cac cuu 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 cac cuu snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong cac cuu snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong cac cuu snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.