Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong von cho snippets" » "dung von cho snippets", "dong co cho snippets", "dong hoc cho snippets", "dong van cho snippets", "dong ton cho snippets", "dong con cho 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 von cho 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 von cho snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong von cho snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong von cho snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.