Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong son phan slippers" » "dong von phan slippers", "dong san phan slippers", "hoang son phan slippers", "dong so phan slippers", "dong bon phan slippers", "dong mon phan slippers", "dong son phan slippery", "dong son 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 son 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 son phan slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong son phan slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong son phan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.