Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong ca trong slippers" » "dong cay trong slippers", "dong cad trong slippers", "dong co trong slippers", "dong cua trong slippers", "dong cac trong slippers", "dong cao trong slippers", "dong ca trong slippery", "dong ca trong 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 trong 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 trong slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong ca trong slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong ca trong slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.