Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong ca phan slippers" » "dong cua phan slippers", "dong cac phan slippers", "dong cao phan slippers", "dong cap phan slippers", "dong ca phan slippery", "dong ca phan grippers"
"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 ca phan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong ca phan slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong ca phan slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong ca phan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.