Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong do than slippers" » "dong dao than slippers", "dong co than slippers", "dang do than slippers", "dong do thanh slippers", "dong doc than slippers", "dong do thai slippers", "dong do than slippery", "dong do than 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 do than 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 do than slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong do than slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong do than slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.