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