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